Naphthoyltrifluoroacetone
萘甲酰三氟丙酮
🗣️ 情景例句
You're joking. Pete Waters?
你在开玩笑吧。Pete Waters？
What is the total circulation of this journal.
这份报刊总发行量多少？
Yes, Miss Gao.
可以，高老师。