The mechanics are the rules. We use the mechanics to play the game. The mechanics are fun to learn. You must know the mechanics to win. The mechanics of the car are good. We fix the mechanics of the toy. The mechanics help us a lot. We read about the mechanics in the book. The mechanics are easy to see. We like the mechanics of the new tool. The mechanics are part of the test. You can study the mechanics at home. The mechanics are very clear to us. We talk about the mechanics today. The mechanics are a big deal. The mechanics are the rules. We use the mechanics to play the game. The mechanics are fun to learn. You must know the mechanics to win. The mechanics of the car are good. We fix the mechanics of the toy. The mechanics help us a lot. We read about the mechanics in the book. The mechanics are easy to see. We like the mechanics of the new tool. The mechanics are part of the test. You can study the mechanics at home. The mechanics are very clear to us. We talk about the mechanics today. The mechanics are a big deal. The mechanics are the rules. We use the mechanics to play the game. The mechanics are fun to learn. You must know the mechanics to win. The mechanics of the car are good. We fix the mechanics of the toy. The mechanics help us a lot. We read about the mechanics in the book. The mechanics are easy to see. We like the mechanics of the new tool. The mechanics are part of the test. You can study the mechanics at home. The mechanics are very clear to us. We talk about the mechanics today. The mechanics are a big deal. The mechanics are the rules. We use the mechanics to play the game. The mechanics are fun to learn. You must know the mechanics to win. The mechanics of the car are good. We fix the mechanics of the toy. The mechanics help us a lot. We read about the mechanics in the book. The mechanics are easy to see. We like the mechanics of the new tool. The mechanics are part of the test. You can study the mechanics at home. The mechanics are very clear to us. We talk about the mechanics today. The mechanics are a big deal.
The mechanics are the rules. We use the mechanics to play the game. The mechanics are fun to learn. You must know the mechanics to win. The mechanics of the car are good. We fix the mechanics of the toy. The mechanics help us a lot. We read about the mechanics in the book. The mechanics are easy to see. We like the mechanics of the new tool. The mechanics are part of the test. You can study the mechanics at home. The mechanics are very clear to us. We talk about the mechanics today. The mechanics are a big deal. The mechanics are the rules. We use the mechanics to play the game. The mechanics are fun to learn. You must know the mechanics to win. The mechanics of the car are good. We fix the mechanics of the toy. The mechanics help us a lot. We read about the mechanics in the book. The mechanics are easy to see. We like the mechanics of the new tool. The mechanics are part of the test. You can study the mechanics at home. The mechanics are very clear to us. We talk about the mechanics today. The mechanics are a big deal. The mechanics are the rules. We use the mechanics to play the game. The mechanics are fun to learn. You must know the mechanics to win. The mechanics of the car are good. We fix the mechanics of the toy. The mechanics help us a lot. We read about the mechanics in the book. The mechanics are easy to see. We like the mechanics of the new tool. The mechanics are part of the test. You can study the mechanics at home. The mechanics are very clear to us. We talk about the mechanics today. The mechanics are a big deal. The mechanics are the rules. We use the mechanics to play the game. The mechanics are fun to learn. You must know the mechanics to win. The mechanics of the car are good. We fix the mechanics of the toy. The mechanics help us a lot. We read about the mechanics in the book. The mechanics are easy to see. We like the mechanics of the new tool. The mechanics are part of the test. You can study the mechanics at home. The mechanics are very clear to us. We talk about the mechanics today. The mechanics are a big deal.
The mechanics are the rules. We use the mechanics to play the game. The mechanics are fun to learn. You must know the mechanics to win. The mechanics of the car are good. We fix the mechanics of the toy. The mechanics help us a lot. We read about the mechanics in the book. The mechanics are easy to see. We like the mechanics of the new tool. The mechanics are part of the test. You can study the mechanics at home. The mechanics are very clear to us. We talk about the mechanics today. The mechanics are a big deal. The mechanics are the rules. We use the mechanics to play the game. The mechanics are fun to learn. You must know the mechanics to win. The mechanics of the car are good. We fix the mechanics of the toy. The mechanics help us a lot. We read about the mechanics in the book. The mechanics are easy to see. We like the mechanics of the new tool. The mechanics are part of the test. You can study the mechanics at home. The mechanics are very clear to us. We talk about the mechanics today. The mechanics are a big deal. The mechanics are the rules. We use the mechanics to play the game. The mechanics are fun to learn. You must know the mechanics to win. The mechanics of the car are good. We fix the mechanics of the toy. The mechanics help us a lot. We read about the mechanics in the book. The mechanics are easy to see. We like the mechanics of the new tool. The mechanics are part of the test. You can study the mechanics at home. The mechanics are very clear to us. We talk about the mechanics today. The mechanics are a big deal. The mechanics are the rules. We use the mechanics to play the game. The mechanics are fun to learn. You must know the mechanics to win. The mechanics of the car are good. We fix the mechanics of the toy. The mechanics help us a lot. We read about the mechanics in the book. The mechanics are easy to see. We like the mechanics of the new tool. The mechanics are part of the test. You can study the mechanics at home. The mechanics are very clear to us. We talk about the mechanics today. The mechanics are a big deal.
The mechanics are the rules. We use the mechanics to play the game. The mechanics are fun to learn. You must know the mechanics to win. The mechanics of the car are good. We fix the mechanics of the toy. The mechanics help us a lot. We read about the mechanics in the book. The mechanics are easy to see. We like the mechanics of the new tool. The mechanics are part of the test. You can study the mechanics at home. The mechanics are very clear to us. We talk about the mechanics today. The mechanics are a big deal. The mechanics are the rules. We use the mechanics to play the game. The mechanics are fun to learn. You must know the mechanics to win. The mechanics of the car are good. We fix the mechanics of the toy. The mechanics help us a lot. We read about the mechanics in the book. The mechanics are easy to see. We like the mechanics of the new tool. The mechanics are part of the test. You can study the mechanics at home. The mechanics are very clear to us. We talk about the mechanics today. The mechanics are a big deal. The mechanics are the rules. We use the mechanics to play the game. The mechanics are fun to learn. You must know the mechanics to win. The mechanics of the car are good. We fix the mechanics of the toy. The mechanics help us a lot. We read about the mechanics in the book. The mechanics are easy to see. We like the mechanics of the new tool. The mechanics are part of the test. You can study the mechanics at home. The mechanics are very clear to us. We talk about the mechanics today. The mechanics are a big deal. The mechanics are the rules. We use the mechanics to play the game. The mechanics are fun to learn. You must know the mechanics to win. The mechanics of the car are good. We fix the mechanics of the toy. The mechanics help us a lot. We read about the mechanics in the book. The mechanics are easy to see. We like the mechanics of the new tool. The mechanics are part of the test. You can study the mechanics at home. The mechanics are very clear to us. We talk about the mechanics today. The mechanics are a big deal.
The mechanics are the rules. We use the mechanics to play the game. The mechanics are fun to learn. You must know the mechanics to win. The mechanics of the car are good. We fix the mechanics of the toy. The mechanics help us a lot. We read about the mechanics in the book. The mechanics are easy to see. We like the mechanics of the new tool. The mechanics are part of the test. You can study the mechanics at home. The mechanics are very clear to us. We talk about the mechanics today. The mechanics are a big deal. The mechanics are the rules. We use the mechanics to play the game. The mechanics are fun to learn. You must know the mechanics to win. The mechanics of the car are good. We fix the mechanics of the toy. The mechanics help us a lot. We read about the mechanics in the book. The mechanics are easy to see. We like the mechanics of the new tool. The mechanics are part of the test. You can study the mechanics at home. The mechanics are very clear to us. We talk about the mechanics today. The mechanics are a big deal. The mechanics are the rules. We use the mechanics to play the game. The mechanics are fun to learn. You must know the mechanics to win. The mechanics of the car are good. We fix the mechanics of the toy. The mechanics help us a lot. We read about the mechanics in the book. The mechanics are easy to see. We like the mechanics of the new tool. The mechanics are part of the test. You can study the mechanics at home. The mechanics are very clear to us. We talk about the mechanics today. The mechanics are a big deal. The mechanics are the rules. We use the mechanics to play the game. The mechanics are fun to learn. You must know the mechanics to win. The mechanics of the car are good. We fix the mechanics of the toy. The mechanics help us a lot. We read about the mechanics in the book. The mechanics are easy to see. We like the mechanics of the new tool. The mechanics are part of the test. You can study the mechanics at home. The mechanics are very clear to us. We talk about the mechanics today. The mechanics are a big deal.
The mechanics are the rules. We use the mechanics to play the game. The mechanics are fun to learn. You must know the mechanics to win. The mechanics of the car are good. We fix the mechanics of the toy. The mechanics help us a lot. We read about the mechanics in the book. The mechanics are easy to see. We like the mechanics of the new tool. The mechanics are part of the test. You can study the mechanics at home. The mechanics are very clear to us. We talk about the mechanics today. The mechanics are a big deal. The mechanics are the rules. We use the mechanics to play the game. The mechanics are fun to learn. You must know the mechanics to win. The mechanics of the car are good. We fix the mechanics of the toy. The mechanics help us a lot. We read about the mechanics in the book. The mechanics are easy to see. We like the mechanics of the new tool. The mechanics are part of the test. You can study the mechanics at home. The mechanics are very clear to us. We talk about the mechanics today. The mechanics are a big deal. The mechanics are the rules. We use the mechanics to play the game. The mechanics are fun to learn. You must know the mechanics to win. The mechanics of the car are good. We fix the mechanics of the toy. The mechanics help us a lot. We read about the mechanics in the book. The mechanics are easy to see. We like the mechanics of the new tool. The mechanics are part of the test. You can study the mechanics at home. The mechanics are very clear to us. We talk about the mechanics today. The mechanics are a big deal. The mechanics are the rules. We use the mechanics to play the game. The mechanics are fun to learn. You must know the mechanics to win. The mechanics of the car are good. We fix the mechanics of the toy. The mechanics help us a lot. We read about the mechanics in the book. The mechanics are easy to see. We like the mechanics of the new tool. The mechanics are part of the test. You can study the mechanics at home. The mechanics are very clear to us. We talk about the mechanics today. The mechanics are a big deal.

mechanics 30秒了解

  • The word mechanics often refers to the practical, functional ways that a system, machine, or process operates in our everyday lives and professional environments.
  • In the field of physics, mechanics is the scientific study of how objects move and react when various physical forces are applied to them.
  • When discussing writing or language, mechanics refers to the basic rules of grammar, punctuation, and spelling that ensure clear and effective communication between people.
  • Understanding the mechanics of any complex system allows you to troubleshoot problems, improve efficiency, and master the underlying principles that govern its overall behavior.

Sentence mechanics.

Sentence mechanics.

Sentence mechanics.

Sentence mechanics.

Sentence mechanics.

Label
Content about mechanics.
Label
Content about mechanics.
Label
Content about mechanics.
The mechanics of the car are very good and we like them a lot. We see the mechanics of the game and they are fun to play with all day long. If you want to know the mechanics of the toy, you must look at it very well. The mechanics are key to how it runs in the real world. We study the mechanics to learn new things. The mechanics of the clock are small and hard to fix. You need to know the mechanics to do the job right. The mechanics help us see how it works. The mechanics of the car are very good and we like them a lot. We see the mechanics of the game and they are fun to play with all day long. If you want to know the mechanics of the toy, you must look at it very well. The mechanics are key to how it runs in the real world. We study the mechanics to learn new things. The mechanics of the clock are small and hard to fix. You need to know the mechanics to do the job right. The mechanics help us see how it works. The mechanics of the car are very good and we like them a lot. We see the mechanics of the game and they are fun to play with all day long. If you want to know the mechanics of the toy, you must look at it very well. The mechanics are key to how it runs in the real world. We study the mechanics to learn new things. The mechanics of the clock are small and hard to fix. You need to know the mechanics to do the job right. The mechanics help us see how it works. The mechanics of the car are very good and we like them a lot. We see the mechanics of the game and they are fun to play with all day long. If you want to know the mechanics of the toy, you must look at it very well. The mechanics are key to how it runs in the real world. We study the mechanics to learn new things. The mechanics of the clock are small and hard to fix. You need to know the mechanics to do the job right. The mechanics help us see how it works. The mechanics of the car are very good and we like them a lot. We see the mechanics of the game and they are fun to play with all day long. If you want to know the mechanics of the toy, you must look at it very well. The mechanics are key to how it runs in the real world. We study the mechanics to learn new things. The mechanics of the clock are small and hard to fix. You need to know the mechanics to do the job right. The mechanics help us see how it works.

Sentence mechanics.

Sentence mechanics.

Sentence mechanics.

Sentence mechanics.

Sentence mechanics.

Label
Content about mechanics.
Label
Content about mechanics.
Label
Content about mechanics.
The mechanics of the car are very good and we like them a lot. We see the mechanics of the game and they are fun to play with all day long. If you want to know the mechanics of the toy, you must look at it very well. The mechanics are key to how it runs in the real world. We study the mechanics to learn new things. The mechanics of the clock are small and hard to fix. You need to know the mechanics to do the job right. The mechanics help us see how it works. The mechanics of the car are very good and we like them a lot. We see the mechanics of the game and they are fun to play with all day long. If you want to know the mechanics of the toy, you must look at it very well. The mechanics are key to how it runs in the real world. We study the mechanics to learn new things. The mechanics of the clock are small and hard to fix. You need to know the mechanics to do the job right. The mechanics help us see how it works. The mechanics of the car are very good and we like them a lot. We see the mechanics of the game and they are fun to play with all day long. If you want to know the mechanics of the toy, you must look at it very well. The mechanics are key to how it runs in the real world. We study the mechanics to learn new things. The mechanics of the clock are small and hard to fix. You need to know the mechanics to do the job right. The mechanics help us see how it works. The mechanics of the car are very good and we like them a lot. We see the mechanics of the game and they are fun to play with all day long. If you want to know the mechanics of the toy, you must look at it very well. The mechanics are key to how it runs in the real world. We study the mechanics to learn new things. The mechanics of the clock are small and hard to fix. You need to know the mechanics to do the job right. The mechanics help us see how it works. The mechanics of the car are very good and we like them a lot. We see the mechanics of the game and they are fun to play with all day long. If you want to know the mechanics of the toy, you must look at it very well. The mechanics are key to how it runs in the real world. We study the mechanics to learn new things. The mechanics of the clock are small and hard to fix. You need to know the mechanics to do the job right. The mechanics help us see how it works.

Sentence mechanics.

Sentence mechanics.

Sentence mechanics.

Sentence mechanics.

Sentence mechanics.

Label
Content about mechanics.
Label
Content about mechanics.
Label
Content about mechanics.
The mechanics of the car are very good and we like them a lot. We see the mechanics of the game and they are fun to play with all day long. If you want to know the mechanics of the toy, you must look at it very well. The mechanics are key to how it runs in the real world. We study the mechanics to learn new things. The mechanics of the clock are small and hard to fix. You need to know the mechanics to do the job right. The mechanics help us see how it works. The mechanics of the car are very good and we like them a lot. We see the mechanics of the game and they are fun to play with all day long. If you want to know the mechanics of the toy, you must look at it very well. The mechanics are key to how it runs in the real world. We study the mechanics to learn new things. The mechanics of the clock are small and hard to fix. You need to know the mechanics to do the job right. The mechanics help us see how it works. The mechanics of the car are very good and we like them a lot. We see the mechanics of the game and they are fun to play with all day long. If you want to know the mechanics of the toy, you must look at it very well. The mechanics are key to how it runs in the real world. We study the mechanics to learn new things. The mechanics of the clock are small and hard to fix. You need to know the mechanics to do the job right. The mechanics help us see how it works. The mechanics of the car are very good and we like them a lot. We see the mechanics of the game and they are fun to play with all day long. If you want to know the mechanics of the toy, you must look at it very well. The mechanics are key to how it runs in the real world. We study the mechanics to learn new things. The mechanics of the clock are small and hard to fix. You need to know the mechanics to do the job right. The mechanics help us see how it works. The mechanics of the car are very good and we like them a lot. We see the mechanics of the game and they are fun to play with all day long. If you want to know the mechanics of the toy, you must look at it very well. The mechanics are key to how it runs in the real world. We study the mechanics to learn new things. The mechanics of the clock are small and hard to fix. You need to know the mechanics to do the job right. The mechanics help us see how it works.

Sentence mechanics.

Sentence mechanics.

Sentence mechanics.

Sentence mechanics.

Sentence mechanics.

Label
Content about mechanics.
Label
Content about mechanics.
Label
Content about mechanics.
The mechanics of the car are very good and we like them a lot. We see the mechanics of the game and they are fun to play with all day long. If you want to know the mechanics of the toy, you must look at it very well. The mechanics are key to how it runs in the real world. We study the mechanics to learn new things. The mechanics of the clock are small and hard to fix. You need to know the mechanics to do the job right. The mechanics help us see how it works. The mechanics of the car are very good and we like them a lot. We see the mechanics of the game and they are fun to play with all day long. If you want to know the mechanics of the toy, you must look at it very well. The mechanics are key to how it runs in the real world. We study the mechanics to learn new things. The mechanics of the clock are small and hard to fix. You need to know the mechanics to do the job right. The mechanics help us see how it works. The mechanics of the car are very good and we like them a lot. We see the mechanics of the game and they are fun to play with all day long. If you want to know the mechanics of the toy, you must look at it very well. The mechanics are key to how it runs in the real world. We study the mechanics to learn new things. The mechanics of the clock are small and hard to fix. You need to know the mechanics to do the job right. The mechanics help us see how it works. The mechanics of the car are very good and we like them a lot. We see the mechanics of the game and they are fun to play with all day long. If you want to know the mechanics of the toy, you must look at it very well. The mechanics are key to how it runs in the real world. We study the mechanics to learn new things. The mechanics of the clock are small and hard to fix. You need to know the mechanics to do the job right. The mechanics help us see how it works. The mechanics of the car are very good and we like them a lot. We see the mechanics of the game and they are fun to play with all day long. If you want to know the mechanics of the toy, you must look at it very well. The mechanics are key to how it runs in the real world. We study the mechanics to learn new things. The mechanics of the clock are small and hard to fix. You need to know the mechanics to do the job right. The mechanics help us see how it works.

Sentence mechanics.

Sentence mechanics.

Sentence mechanics.

Sentence mechanics.

Sentence mechanics.

Label
Content about mechanics.
Label
Content about mechanics.
Label
Content about mechanics.
The mechanics of the car are very good and we like them a lot. We see the mechanics of the game and they are fun to play with all day long. If you want to know the mechanics of the toy, you must look at it very well. The mechanics are key to how it runs in the real world. We study the mechanics to learn new things. The mechanics of the clock are small and hard to fix. You need to know the mechanics to do the job right. The mechanics help us see how it works. The mechanics of the car are very good and we like them a lot. We see the mechanics of the game and they are fun to play with all day long. If you want to know the mechanics of the toy, you must look at it very well. The mechanics are key to how it runs in the real world. We study the mechanics to learn new things. The mechanics of the clock are small and hard to fix. You need to know the mechanics to do the job right. The mechanics help us see how it works. The mechanics of the car are very good and we like them a lot. We see the mechanics of the game and they are fun to play with all day long. If you want to know the mechanics of the toy, you must look at it very well. The mechanics are key to how it runs in the real world. We study the mechanics to learn new things. The mechanics of the clock are small and hard to fix. You need to know the mechanics to do the job right. The mechanics help us see how it works. The mechanics of the car are very good and we like them a lot. We see the mechanics of the game and they are fun to play with all day long. If you want to know the mechanics of the toy, you must look at it very well. The mechanics are key to how it runs in the real world. We study the mechanics to learn new things. The mechanics of the clock are small and hard to fix. You need to know the mechanics to do the job right. The mechanics help us see how it works. The mechanics of the car are very good and we like them a lot. We see the mechanics of the game and they are fun to play with all day long. If you want to know the mechanics of the toy, you must look at it very well. The mechanics are key to how it runs in the real world. We study the mechanics to learn new things. The mechanics of the clock are small and hard to fix. You need to know the mechanics to do the job right. The mechanics help us see how it works.

How Formal Is It?

难度评级

需要掌握的语法

Plural nouns

Subject-verb agreement

Uncountable nouns

Definite articles

Prepositions of place

按水平分级的例句

1

The mechanics are simple.

basic rules

plural noun

2

The mechanics are simple.

basic rules

plural noun

3

The mechanics are simple.

basic rules

plural noun

4

The mechanics are simple.

basic rules

plural noun

5

The mechanics are simple.

basic rules

plural noun

6

The mechanics are simple.

basic rules

plural noun

7

The mechanics are simple.

basic rules

plural noun

8

The mechanics are simple.

basic rules

plural noun

1

The mechanics are simple.

basic rules

plural noun

2

The mechanics are simple.

basic rules

plural noun

3

The mechanics are simple.

basic rules

plural noun

4

The mechanics are simple.

basic rules

plural noun

5

The mechanics are simple.

basic rules

plural noun

6

The mechanics are simple.

basic rules

plural noun

7

The mechanics are simple.

basic rules

plural noun

8

The mechanics are simple.

basic rules

plural noun

1

The mechanics are simple.

basic rules

plural noun

2

The mechanics are simple.

basic rules

plural noun

3

The mechanics are simple.

basic rules

plural noun

4

The mechanics are simple.

basic rules

plural noun

5

The mechanics are simple.

basic rules

plural noun

6

The mechanics are simple.

basic rules

plural noun

7

The mechanics are simple.

basic rules

plural noun

8

The mechanics are simple.

basic rules

plural noun

1

The mechanics are simple.

basic rules

plural noun

2

The mechanics are simple.

basic rules

plural noun

3

The mechanics are simple.

basic rules

plural noun

4

The mechanics are simple.

basic rules

plural noun

5

The mechanics are simple.

basic rules

plural noun

6

The mechanics are simple.

basic rules

plural noun

7

The mechanics are simple.

basic rules

plural noun

8

The mechanics are simple.

basic rules

plural noun

1

The mechanics are simple.

basic rules

plural noun

2

The mechanics are simple.

basic rules

plural noun

3

The mechanics are simple.

basic rules

plural noun

4

The mechanics are simple.

basic rules

plural noun

5

The mechanics are simple.

basic rules

plural noun

6

The mechanics are simple.

basic rules

plural noun

7

The mechanics are simple.

basic rules

plural noun

8

The mechanics are simple.

basic rules

plural noun

1

The mechanics are simple.

basic rules

plural noun

2

The mechanics are simple.

basic rules

plural noun

3

The mechanics are simple.

basic rules

plural noun

4

The mechanics are simple.

basic rules

plural noun

5

The mechanics are simple.

basic rules

plural noun

6

The mechanics are simple.

basic rules

plural noun

7

The mechanics are simple.

basic rules

plural noun

8

The mechanics are simple.

basic rules

plural noun

反义词

theory abstraction

常见搭配

game mechanics
quantum mechanics
basic mechanics
writing mechanics
fluid mechanics
understand the mechanics
learn the mechanics
study mechanics
car mechanics
body mechanics

容易混淆的词

mechanics vs mechanic

mechanics vs mechanism

mechanics vs machinery

容易混淆

mechanics vs

mechanics vs

mechanics vs

mechanics vs

mechanics vs

句型

如何使用

note

Often takes a plural verb when meaning rules, but singular for the science.

常见错误
  • Using singular verb for rules.
  • Confusing with mechanic.
  • Misspelling as mecanics.
  • Forgetting the s.
  • Using it for people.

小贴士

Tip 1

Use it well. It is a noun. It is plural. It is good.

Tip 2

Use it well. It is a noun. It is plural. It is good.

Tip 3

Use it well. It is a noun. It is plural. It is good.

Tip 4

Use it well. It is a noun. It is plural. It is good.

Tip 5

Use it well. It is a noun. It is plural. It is good.

Tip 6

Use it well. It is a noun. It is plural. It is good.

Tip 7

Use it well. It is a noun. It is plural. It is good.

Tip 8

Use it well. It is a noun. It is plural. It is good.

Tip 9

Use it well. It is a noun. It is plural. It is good.

Tip 10

Use it well. It is a noun. It is plural. It is good.

记住它

词源

Greek

文化背景

Game mechanics are essential.

Writing mechanics mean grammar.

在生活中练习

真实语境

对话开场白

"What are the mechanics of this game?"

"Do you understand the mechanics?"

"How do the mechanics work?"

"Can you explain the mechanics?"

"Are the mechanics simple?"

日记主题

Write about the mechanics of your hobby.

Explain the mechanics of a car.

Describe the mechanics of writing.

What are the mechanics of a good relationship?

How do the mechanics of your job work?

常见问题

10 个问题

It is a noun. It means rules. It is common. Use it today. Learn it well.

It is a noun. It means rules. It is common. Use it today. Learn it well.

It is a noun. It means rules. It is common. Use it today. Learn it well.

It is a noun. It means rules. It is common. Use it today. Learn it well.

It is a noun. It means rules. It is common. Use it today. Learn it well.

It is a noun. It means rules. It is common. Use it today. Learn it well.

It is a noun. It means rules. It is common. Use it today. Learn it well.

It is a noun. It means rules. It is common. Use it today. Learn it well.

It is a noun. It means rules. It is common. Use it today. Learn it well.

It is a noun. It means rules. It is common. Use it today. Learn it well.

自我测试 180 个问题

/ 180 correct

Perfect score!

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