Halimide
[化] 氯化对十二烷基苄三甲铵
🗣️ 情景例句
How would you like your steak done?
您的牛排想要几成熟？
The X2500 will change your work in the office.
X2500将会改变你在办公室的工作。
Oh, cheer up!perhaps we didn't to do badly.
啊，别灰心！或许我们考得还不太糟。