pulley
UK
US
Paraphrase
分析词义
"Pulley" 是一个名词,意思是“滑轮”,是一种机械装置,通过绳索或者链条与其上的轮子配合,可以使力量方向改变,或者通过机械优势进行物品的搬运。
列举例句
The mechanic replaced the car's timing belt and pulley.
- 机械师更换了汽车的正时皮带和滑轮。
He fixed the rope on a pulley and lifted the heavy box.
- 他将绳索固定在滑轮上,然后抬起了那个重箱子。
We use a pulley to raise the flag.
- 我们用滑轮升旗。
词根分析
"Pulley" 并没有显著的词根,但它源于古法语的 "polie",意为“圆滑的物体”。
词缀分析
"Pulley" 也没有词缀,是一个完整的单词。
发展历史和文化背景
"Pulley" 这个单词可以追溯到 14 世纪,源自古法语的"polie",其基础上构建了现代英语中的 "pulley"。在欧美文化中,滑轮是一种基本的机械设备,被广泛应用于各种行业和日常生活中。
单词变形
"Pulley" 只有单数和复数形式,没有动词或形容词变形。复数形式为 "pulleys"。
记忆辅助
你可以将 "pulley" 与 "pull" 联系起来。它们的发音相似,而且滑轮的作用就是帮助我们更容易地“拉”东西。
小故事
Once upon a time, a clever boy named John used a pulley to help his Grandpa lift heavy things in their store.
从前,有个聪明的男孩名叫John,他用滑轮帮助他的爷爷在他们的商店里搬运重物。
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