“滑轮”造句

绳索滑轮系统
a system of ropes and pulleys

这块大石是用绳子和滑轮给吊起来的.
The stone was lifted by means of a rope and pulley.

工人把金属丝穿在滑轮上.
The worker threaded the wire through the pulley.

• #滑轮