Hn1
[化] 2,2'-二氯三乙胺
🗣️ 情景例句
But I'm sure he has a few bags with him on the train.
不过我相信他在火车上还有几件行李的。
We have opposite views on this.
我们在这上有相反的观点。
We're going to leave at about seven thirty next Monday morning.
我们打算下星期一早上7：30 左右出发。