词汇网络: maths

短语动词“Work Out”：健身、计算与成功

prepositions

B1

使用 'Figure Out' 解决问题

prepositions

B1

混合过去与现在 (带情态动词的混合条件句)

verb_moods

C1

But vs. However: 有什么区别？

confusable-words

B1

一只猫，两只猫 — 简单复数加 -s

plurals

A0

carry forward

Transfer to a future time

B2

棘手的问题

A problem or person that is very difficult to deal with or understand.

一个难啃的硬骨头 (yīgè nánkěn de yìng gǔtou)

A difficult problem or person to deal with

B2

elementary school

Primary education institution

A2

方差计算为

Research methodology and reporting expression

C1

大量

Many individual items

B1