Stepped joint
[机] 不规则形分模面
🧩 词语组成解析
v. 踏；行走（step的过去式和过去分词）
joint
[dʒɔint]
adj. 共同的，联合的;共享的;两院的;连带的，共同的;
n. [解]关节;接合处;下流场所;一块烤肉（英式英语）;
vt. 结合，联合;为…装上接头，使…有接缝;
🗣️ 情景例句
My name is Wang Feng and I'm calling to cancel plane ticket.
我叫王峰，我想取消我预定的飞机票。
The whole thing was held up about half an hour.
整个事情耽搁了约半小时。
There being no one to help me, I had to do it all alone.
因为没有人帮助我，我不得不独立完成这项工 作。