pulley
「pulley」的意思
n. 滑轮；皮带轮；滑车; vt. 用滑轮升起; n. （Pulley）人名；（英）普利
n.滑车,滑轮
「pulley」的用法
pulley滑轮 - 机械
「pulley」的例句
The pulley system is used to lift heavy objects.
滑轮系统用于吊起重物。
A pulley can change the direction of a force.
滑轮可以改变力的方向。
She uses a pulley to lift the bucket of water.
她用滑轮吊起水桶。
The pulley helps in reducing the effort required to lift heavy loads.
滑轮有助于减少提升重物所需的努力。
He fixed the pulley on the beam to lift the heavy box.
他将滑轮固定在梁上以吊起重箱子。
The children are playing with a toy pulley on the playground.
孩子们在游乐场上玩玩具滑轮。
A system of pulleys is used in elevators to move people up and down.
电梯中使用滑轮系统上下移动人们。
She is learning how to use a simple pulley system at school.
她在学校学习如何使用简单的滑轮系统。
The rope is attached to the bucket and runs over a series of pulleys.
绳子连接到水桶，并绕过一系列滑轮。
The sailors use a block and tackle system of pulleys to lift heavy anchors.
船员使用绞车系统中的滑轮组来吊起重锚。