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
you are about to become Susan Bennett--
即将成为Susan Bennett
This country is localed in the southern hemisphere.
这个国家位于南半球。
We can't go out because of the rain.
我们不能出去因为下雨了。