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
Now that illiteracy is not so wide spread, people everywhere are free to enjoy great literature.
现在文盲不是很普遍，世界各地的人都可以很自由地欣赏文学作品。
There is a mole under the ground.
地下有一只鼹鼠。
He sat in the darkness and listened to the people around him.
他坐在黑暗处，听着周围的人在讲话。