Determeter
(往复式)去污试验仪
🗣️ 情景例句
How did you get on in your exam?
你考得怎样？
A new bicycle is out of the question - we can't afford it.
买新自行车的事谈不上 —— 我们买不起。
How could she possibly ace it when she keeps cutting class all the time?
她老是缺课，怎么能考100分？