Dipropellant
n. &adj.(=bipropellant)二元推进剂(的), 二元燃料(的)
🗣️ 情景例句
May I have a bus map, please?
请给我一份公共汽车路线图好吗？
That's all for today.
今天就讲到这里。
While John Gilbert was in hospital, he asked his doctor to tell him whether his operation had been successful,
当约翰。吉尔伯特住院的时候，他问医生他的手术是否成功，