Pentabromoethane
五溴乙烷
🗣️ 情景例句
That's OK. Everybody else does, too. See you tomorrow.
没关系。大家都是这样。明天见。
The Hilton hotel, please. I have a 10:30 appointment.
请到希尔顿旅馆，十点半我有一个约会。
Often the little words have meanings of their own.
这些小词常常都有自己本身的意思。