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
Well, tell me about it.
那么， 告诉我吧。
Stop beating around the bush and tell me who won.
不要东拉西扯了，告诉我谁赢了。
The bus was full. We couldn't get on.
车挤得满满的，我们上不去。