Hn1
[化] 2,2'-二氯三乙胺
🗣️ 情景例句
Breathing this air is killing me.
呼吸这样的空气真是致命。
An old dog will learn no new tricks.
老家夥学不出新名堂。
I stopped and he asked me for a lift.
我把车停下，他向我提出要求搭车。