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
Do you have a cell phone?
你有手机吗？
I'm not rich. I wish I didn't have to pay the fine.
我不是富有人家，但愿不必交罚款。
He looked very well though he was rather thirsty, for he drank half a bottle of milk.
它看上去一切正常，只是口渴得很，喝了半瓶牛奶。