Clophen
(多)氯化联苯
🗣️ 情景例句
The advanced class starts at ten o'clock.
高级健身课十点钟开始。
I hope you can pass the examinations.
我希望你的考试能通过。
If they can each be trusted to take such responsibilities.
如果企业的每个人都信得过，人人都认真负责，