Dnn
[医][=1，5-dinitronaphthalene]1，5-二硝基萘
🗣️ 情景例句
I'll take care of everything.
我会好好照料一切。
Don't take any notice of what he says-he's pulling your leg.
别理睬他，他在跟你开玩笑。
Never mind. So now you know what you should do.
不要紧。好了，现在你知道该怎么做了吧。