Solid propellant
[机] 固体推进剂
🧩 词语组成解析
propellant
[prə'pelənt]
adj. 推进的;
n. 推进物;
🗣️ 情景例句
Sometimes there is,
有时候有，
It's my treat this time.
这次我请客！
We both tried to get the coins, but it was too late.
我们俩都试图把这两枚硬币拿出来，但太迟了。