Chloracyl flouride
[建] 氯代酰基氟
🧩 词语组成解析
[建] 氯代酰基碘
🗣️ 情景例句
No, …is not in right now. May I take a message?
不， ……现在不在这儿。 我能帮你捎个口信吗？
He has that book, doesn't he?
他有那本书，是吗？
Sure enough, a policeman arrived on the scene and politely asked the workmen to go away.
果然，警察来了，不礼貌地请工人离开此地；