Nitronaphthalin
[医] 硝基萘
🗣️ 情景例句
About three weeks. We'll have enough time for our talks.
大约三个礼拜，我们有足够的时间交谈了。
A colt you may break,but an old horse you never can.
小驹犹可练，老马最难驯。
I'm afraid he's out. He won't be back until tomorrow.
对不起，他外出去了，明天才回来。