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
I don't think you've got your facts straight.
我认为你没有把事实搞清楚。
Necessity (or Need) has (or knows) no law.
需要面前无法律。
Things were clear now.
事情现在清楚了。