Dnn
[医][=1，5-dinitronaphthalene]1，5-二硝基萘
🗣️ 情景例句
At least you've got a roof over your head.
至少你现在有电瓦遮头。
Yesterday it rained all day.
昨天整天下雨了。
Things are getting better.
情况正在好转。