Nitrourea
硝基脲
🗣️ 情景例句
What are we having?
我们吃些什么？
I was born in Spain,but I'm a citizen of France.
我在西班牙出生，但是我是一个法国公民。
The wheels scooped up stones which hammered ominously under the car.
车轮搅起的石块锤击车身，发出不祥的锤击声。