Perchlorether
[化] 全氯乙醚
🗣️ 情景例句
He said they need a new book of photographs,
他说他公司需要一本新的摄影集，
I have been selected as this year's recipient of the Award for Outstanding Performance.
我成为了今年的杰出表现奖的获奖人。
Good morning! What's your name, please?
早上好！请问你叫什么名字？