Fluoropentachloroethane
(一) 氟五氯乙烷
🗣️ 情景例句
You're OK, Dad.
你真好，爸爸。
His wife died a year ago. Now he lives alone.
他妻子去年去世了。现在他一个人住。
With a smile the man from downstairs said: I'm sorry to trouble you, comrade.
“对不起，打扰你了，同志。”