Integral equation
[计] 积分方程
🧩 词语组成解析
🗣️ 情景例句
You should save some money in case of urgent need.
你应该存点钱以备不时之需。
If you have any comment about these clauses, do not hesitate to make.
对这些条款有何意见，请尽管提，不必客气。
I borrowed a notebook from Tom and I lent it to Marry.
我从汤姆那儿借了一本笔记本，我又把它借给玛丽了。