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
His studies advanced steadily.
他的学业不断进步。
I'm afraid it was a bother for you to do this.
我害怕做这会给你带来麻烦。
Many people think that Canadians all over the country speak the same way.
许多人认为加拿大全国人的说法都相同。