C.e.
abbr. (=Chemical Engineer)化学工程师\\n
🗣️ 情景例句
The smog in L.A. is caused by air pollution and water vapor.
洛杉矶的烟雾是由空气污染和水蒸气造成的。
At what time can we work out a deal?
我们什么时候洽谈生意？
Yes. At the very beginning I choose a play and the actors.
好。一开始我得选取剧本、挑选演员。