Subformation
从属形态, [航空]单编队
🗣️ 情景例句
I never bother servicing my own car, it's too much trouble.
我从来都不自己修车的，麻烦死了。
Do I need a reservation for the dining car?
我需要预订餐车吗？
His cake is three times bigger than mine.
他的蛋糕比我的大三倍。