“桨叶”造句

为保证操作人员的人身安全安装了桨叶保护罩。
A blade guard is fitted to protect the operator.

船桨的桨叶和水里的什么东西缠住了。
The blade of the oar had entangled itself with something in the water.

电扇的桨叶在闷热的房内旋转着.
The electric fan blades whirled in the hot room.