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 keep thinking about that bag of film. Eight rolls.
我一直在想着旅行袋的事。一共有八卷呢。
Would you please clarify your question?
请你把你的问题说清楚好吗？
What do the farmers do with your machines?
农民用机器做什么呢？