Dipropellant
n. &adj.(=bipropellant)二元推进剂(的), 二元燃料(的)
🗣️ 情景例句
They dismissed him on the spot.
他们立即开除了他。
I suggest that you tear up the letter and start over again.
我建议你撕破信再来一遍。
You did fairly well!
你干得相当不错1