Smoleless propellant
[化] 无烟推进剂
🧩 词语组成解析
propellant
[prə'pelənt]
adj. 推进的;
n. 推进物;
🗣️ 情景例句
OK, sir, just sit tight, and we'll have an ambulance there in about ten minutes.
好的，先生。你就在那边等着，救护车10分钟之内到。
Many a good father hath but a bad son.
好父亲偏生不肖子。
We'll look into it right away for you.
我们会立刻调查清楚。