Dncb
[医][=2，6-dinitro-1-chlorobenzene]2，6-二硝基-1-氯苯
🗣️ 情景例句
My visa is multi-entry; it allows me to exit the country and then re-enter, as ofter as I like.
我的签证是往返签证，我可以随便进出这个国家。
As long as it doesn't snow!
只要不下雪就行啊！
I am used to traveling by air and only on one occasion have I ever felt frightened.
我习惯了乘飞机旅行，只是有一次把我吓坏了。