Synthane
六氟三氟甲氧基丙烷
🗣️ 情景例句
I have a full house.
我有一个罗汉。
That important man is very unassuming in his manner.
那个要人彬彬有礼，是一位毫不摆架子的人。
It would be a waste of money to buy the IBM PC586.
买IBM586就浪费钱了。