Pyrotechnite
无水芒硝
🗣️ 情景例句
He's the Dean of Admissions for the University of Michigan.
他是Michigan大学的新生注册主任。
How many bags are you going to get?
你要取几袋？
This time they fixed heavy metal clamps to both sides of the dish so that they could fasten the chains.
这次，他们用沉重的金属夹子把盘子夹住，以便往盘子上安装铁链。