“叶片”造句

头顶上，直升机在呼啸，巨大的螺旋桨叶片搅动着空气。
Overhead, the chopper roared and the big blades churned the air.

直升机的旋翼叶片
rotor blades on a helicopter

推进器的叶片已经安装好了.
The propeller blade has been mounted.