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
I've been trying to find
我一直在寻求
Sorry, sir. But it's our graduation day.
对不起，不过，今天是毕业的日子嘛。
To be really happy and really safe,
一个人要想真正感到幸福和平安