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 can only stay a few minutes.
我只能停留几分钟。
You can stay as long as you pay the rent on time.
只要你按时交房租，你就能住这儿。
Trafalgar Square, please.
请买一张到特拉法加广场的票。