Hn1
[化] 2,2'-二氯三乙胺
🗣️ 情景例句
One step at a time.
做事要一步一步来。
I like listening to pop music.
我喜欢听流行音乐。
Some people think that the weather is unpleasant, the city ugly and dirty, the competition fierce and the streets unsafe.
有些人认为，这儿的气候不佳，市容丑陋肮脏，竞争激烈，街上不安全。