Gasmetry
气体测量
🗣️ 情景例句
I'll need a few minutes to check over my notes again.
我再需要几分钟来核对一下我的笔记。
If I can't go with you, what will you say?
如果我不能和你一起去，你怎么说？
Was he absent from school last week?
上星期他没上学吧？