Contrapropeller
整流（螺旋）推进器, 整流螺旋桨, 同轴反转式螺旋桨
🗣️ 情景例句
You won't believe it, Grandpa,
你绝不会相信， 爷爷，
Who bought that new house down the street from you?
谁挨着你的那条街买了那幢新房子？
We must call the doctor.
我们得去请医生。