Nitrador
二硝甲酚
🗣️ 情景例句
We urgently need to establish our own credit system.
我们期待建立我们自己的信用机制。
What's your friend doing?
你的朋友正在做什么？
The Titanic turned just in time, narrowly missing the immense walk of ice which rose over 100 feet out of the water beside her.
“泰坦尼克”这个弯拐得及时，紧贴着高出海面100英尺的巨大的冰墙擦过去。