Gun propellant
[化] 发射药; 火药
🧩 词语组成解析
gun
[ɡʌn]
n. 枪;发令枪声;受雇杀人的枪手;喷射器;
vt. 射击（某人）;给…加大油门;打猎;
vi. 用枪打猎;
propellant
[prə'pelənt]
adj. 推进的;
n. 推进物;
🗣️ 情景例句
Congratulations again on your promotion. You deserve it.
再度恭喜你高升。你是得之无愧的。
To run into
碰撞
That's a nice car. How long have you had it?
好漂亮的汽车。你买多久了？