V-grooved pulley
[化] 三角皮带轮
🧩 词语组成解析
a. 带纹道的；表面有沟槽的
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
Don't cross that bridge till you come to it.
没到河边，先别操心怎么过桥。
She sent me a Christmas card last year.
去年寄过一张圣诞卡。
The woman walked out of the shop angrily and decided to punish the assistant next day.
这位妇女怒气冲冲地走出了商店，决定第二天教训一下那个售货员。