Perchloroethane
六氯乙烷
🗣️ 情景例句
Part of the building for older people,
建筑物中的一部分给老年人用，
Come on!
得了吧！
Oh, listen to the loudspeaker. I think Mr. Hu is going to tell us the result right now.
哦，请听广播。我想胡先生马上就要宣布比赛结果。