Sectrometer
[机] 真空管滴定计
🗣️ 情景例句
How did you do that?
你怎么做到的呢？
Paul started with surprise when Jim tapped his shoulder.
当吉姆拍了保罗的肩膀时，保罗吓了一跳。
Which sweater do you like?
你喜欢哪种毛衣？