Dipropellant
n. &adj.(=bipropellant)二元推进剂(的), 二元燃料(的)
🗣️ 情景例句
Fall is a great season because of all the wonderful colors.
秋天是个色彩缤纷的好季节。
That was a close call.
太危险了。
He broke his words once again.
他又一次违背了诺言。