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've been meaning to ask you
我一直想问
An ill marriage is a spring of ill fortune.
不良的婚姻是恶运的来源。
It seems all right.
看来这没问题。