Valerolactam
戊内酰胺
🗣️ 情景例句
Certainly, sir. I'll get a taxi for you. Are you going directly to the cinema?
好的，先生。我会帮您叫车的，您直接去电影院吗？
How do I get to your place?
我怎么到你那里？
We informed him that the fissure extended for fifty years and was tow feet wide and four feet deep.
我们告诉他那个大裂缝长50码，宽2英尺，深4英尺。