Tightening pulley
[机] 皮带紧轮
🧩 词语组成解析
[化] 拧紧
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
Six words.
有六个字。
Have you milked the cows?
你已经挤过奶了吗？
How did you do on your test?
你这次考试的结果如何？