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
Fine. And you?
很好。你怎么样？
The new leaves in springtime have a soft touch.
春天的新芽有柔软的触感。
What is the deadline for submitting the quotation?
报价截止日是哪一天？