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 look very familiar. Have we been introduced before?
你看起来很面熟，我们以前互相介绍认识过吗？
You'll hurt yourself, if you don't take care.
你不专心的话，就会伤到你自己。
Excuse me! Is this your bike?
打扰一下。这是你的自行车吗？