Pentachloroethane
五氯乙烷
🗣️ 情景例句
Well, I'll try to arrange the schedule, Dr. Stewart.
好吧，尽力去安排，Stewart大夫。
I still need three more credits in Psych; maybe I'll take Ed Psych this term.
心理学我还需要三个学分。或许我在本学期修教育心理学。
German is a more difficult language than English is.
德语比英语难学。