Stepped pulley
[机] 塔轮
🧩 词语组成解析
v. 踏；行走（step的过去式和过去分词）
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 should have quit while I was ahead.
我应该见好就收。
What is happening around there?
附近发生什么事情？
Has it got anything to do with your present research?
报告跟你目前的研究有关吗？