Pentachlorinated
五氯化的
🗣️ 情景例句
how could I live in Los Angeles
我怎么能住在Los Angeles
I'm afraid it won't be cold enough for a snowfall.
我恐怕天不会冷的下雪。
No, I don't I'm John Smith the telephone engineer and I'm repairing your telephone line.
不，不是。我是电话工程师约翰。史密斯，我正在修理您的电话线。