Scientific problems
[计] 科学问题
🧩 词语组成解析
n. 问题；难题（problem的复数）
🗣️ 情景例句
I think I am very good at planning.
我认为我最擅长计划。
The fox that had lost its tail would persuade others out of theirs.
一条狐狸丢尾巴，就劝旁的也丢它。
It is clear that the cat has eaten it!
很明显，是猫偷吃的！