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
Things will work themselves out.
事情自会有好结果的。
Mr. Li is not afraid of working hard.
李先生不怕吃苦。
How many do you need?
你需要多少？