Backing pulley
[机] 回行皮带盘
🧩 词语组成解析
backing
[['bækiŋ]]
n. 后退, 衬背, 后援, 支持者\\n[化] 衬垫
pulley
['pʊli]
n. 滑轮（组），滑车;皮带轮;
v. 用滑轮升起，用滑车推动;给…装滑车;
🗣️ 情景例句
It has been raining constantly for two days.
雨连续下了两天。
I hope you can see me.
我希望你能看望我。
The chest contained the personal belongings of a seaman, Alan Fielding.
木箱内装有水手艾伦。菲尔丁的私人财物，