Dnn
[医][=1，5-dinitronaphthalene]1，5-二硝基萘
🗣️ 情景例句
So that we can repaint it.
好让我们可以重新粉刷。
We're jumping about in excitement at the discovery.
我们因为这一发现而兴奋得手舞足蹈。
I have just heard from my sister, Mary.
我刚收到我妹妹玛丽的一封信。