Energy refers to the capacity to do work or the vitality one possesses.
Word in 30 Seconds
- Energy is the ability to do work.
- Can refer to physical energy or vitality.
- Used in science, health, and daily life.
Overview
能量(néngliàng)是汉语中一个非常基础且重要的词汇,对应英文的“energy”。在物理学中,能量是衡量物体做功能力的量,形式多样,如动能、势能、热能、电能等。在日常生活中,我们也会用能量来形容人的活力、精神状态,或者事物的内在力量和潜力。例如,我们可以说一个人很有能量,或者某个项目需要大量的能量才能完成。
能量作为名词,可以单独使用,也可以与其他词语组合构成固定搭配。它可以被“有”、“无”、“缺乏”、“增加”、“消耗”等动词修饰。在句子中,它可以是主语、宾语或定语。
**物理学/科学**: 讨论能量的转换、守恒等概念。例如:太阳能、核能、电能。 2. **人体/健康**
形容人的体力和精神状态。例如:他今天能量满满,看起来很有精神。 3. 事物/活动: 指代完成某事所需的动力或力量。例如:这个计划需要巨大的能量才能实现。 4. 抽象概念: 指代事物的内在潜力或影响力。例如:这个演讲充满了正能量。
**力 (lì)**
'力'更侧重于推、拉等施加的物理作用,是产生运动或形变的直接原因。'能量'是做功的本领,是'力'作用的结果或潜力。例如,'推力'(a push force)和'动能'(kinetic energy)。 2. 劲 (jìn): '劲'常用于口语,指力气、精神或精力。它和'能量'在形容人的活力时有相似之处,但'劲'更口语化,有时也指具体的力气。例如,'他没劲了'(He's out of energy/strength)和'他能量不足'(He lacks energy)。 3. 能力 (nénglì): '能力'指掌握并运用知识、技能等去完成某项任务的本领,更侧重于技能和才干。'能量'则更侧重于物理上的或精神上的动力和活力。例如,'学习能力'(learning ability)和'学习的能量'(energy for studying,较少这样说)。
Examples
太阳是地球上所有生命的能量来源。
academicThe sun is the source of energy for all life on Earth.
经过一整天的学习,我感到能量耗尽了。
everydayAfter a whole day of studying, I felt drained of energy.
保持积极的心态可以给你带来正能量。
informalMaintaining a positive attitude can bring you positive energy.
这个机器需要大量的电能才能运转。
technicalThis machine requires a large amount of electrical energy to operate.
Common Collocations
Common Phrases
补充能量
replenish energy
消耗能量
consume energy
正能量
positive energy
Often Confused With
'力' refers to force, the push or pull that causes motion or deformation. '能量' is the capacity to do work, which can be a result of force acting over a distance.
'劲' often refers to physical strength or vigor, especially in colloquial speech. While similar to 'energy' when describing vitality, '能量' is a broader term encompassing physical and metaphorical energy.
Grammar Patterns
How to Use It
Usage Notes
The word '能量' is versatile and used across various registers, from scientific discussions to everyday conversations about personal vitality. When referring to physical energy, it's a direct translation of 'energy'. In more abstract contexts, like 'positive energy', it carries a motivational or psychological connotation.
Common Mistakes
Learners might confuse '能量' with '力' (force) or '劲' (strength). Ensure context is considered: '力' is the action, '劲' is often colloquial strength, while '能量' is the capacity or vitality.
Tips
Think of energy broadly
Remember 'energy' applies to physics, personal vitality, and even abstract concepts like 'positive energy'.
Distinguish from '力' and '劲'
While related, '力' is force, '劲' is often colloquial strength/energy, and '能量' is the capacity to do work or general vitality.
'Positive Energy' trend
The term '正能量' (zhèng néngliàng) is popular, signifying positive vibes and optimism, reflecting a cultural emphasis on mental well-being.
Word Origin
The character '能' (néng) originally depicted a bear, symbolizing strength and ability. '量' (liàng) means quantity or measure. Together, '能量' literally means 'measurable ability' or 'capacity', fitting its scientific and general meaning.
Cultural Context
The concept of 'qi' (气) in traditional Chinese culture is related to vital energy, influencing ideas about health and well-being. Modern usage of '能量', especially '正能量', often reflects a desire for positivity and optimism in society.
Memory Tip
Think of 'energy' as the 'engine' (能) that makes things 'go' (量). It's the power source for actions and vitality.
Frequently Asked Questions
4 questions“力”是指物体间相互作用使物体发生形变或改变运动状态的原因,是施加的动作。而“能量”是物体能够做功的本领,是“力”作用的结果或潜能。
在日常对话中,“能量”常用来形容人的精神状态、体力,或者形容某件事情的活力和动力。
“正能量”是一个比较流行的说法,指的是积极、乐观、向上的思想、精神或信息,能够给人带来鼓舞和力量。
“消耗能量”指的是能量在使用过程中减少或消失的过程,可以指物理上的能量减少,也可以指因为活动或思考而耗费的体力和精神。
Test Yourself
我们需要足够的______来完成这个项目。
句意是需要完成项目所需的动力或资源,用“能量”最合适。
他早上没睡好,现在看起来没什么______。
描述精神状态和体力,用“能量”最贴切。
运动,消耗,很多,能量
这是一个主谓宾结构,描述运动这个行为消耗了大量的能量。
Score: /3
Summary
Energy refers to the capacity to do work or the vitality one possesses.
- Energy is the ability to do work.
- Can refer to physical energy or vitality.
- Used in science, health, and daily life.
Think of energy broadly
Remember 'energy' applies to physics, personal vitality, and even abstract concepts like 'positive energy'.
Distinguish from '力' and '劲'
While related, '力' is force, '劲' is often colloquial strength/energy, and '能量' is the capacity to do work or general vitality.
'Positive Energy' trend
The term '正能量' (zhèng néngliàng) is popular, signifying positive vibes and optimism, reflecting a cultural emphasis on mental well-being.
Examples
4 of 4太阳是地球上所有生命的能量来源。
The sun is the source of energy for all life on Earth.
经过一整天的学习,我感到能量耗尽了。
After a whole day of studying, I felt drained of energy.
保持积极的心态可以给你带来正能量。
Maintaining a positive attitude can bring you positive energy.
这个机器需要大量的电能才能运转。
This machine requires a large amount of electrical energy to operate.