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
Wait! Don't hang up!
等等， 别挂断电话！
Sooner or later, the truth comes to light.
早晚真相会大白。
Among tribal people all knowledge inherited by tradition is shared by all;
在部落中，通过传统继承的知识为所有人共享，