Propellant explosive
抛掷炸药
🧩 词语组成解析
propellant
[prə'pelənt]
adj. 推进的;
n. 推进物;
🗣️ 情景例句
The Post Office aims to improve its quality of service.
邮局锐意改善服务质量。
A good book is a best friend who never turns his back upon us.
一本好书，莫逆之交。
I'm thinking.
我在思考。