Hexachloropropylene
[建] 六氯丙烯
🗣️ 情景例句
Ah! Miss Stewart! Welcome!
嗨！ Stewart小姐！ 欢迎你！
Sit down, please.
请坐。
I doubt if he'll be asked to speak again next year.
我怀疑明年是否还会邀请他作报告。