Common difference
公差
🧩 词语组成解析
common
['kɑmən]
adj. 普通的;通俗的;[数学]公共的;共有的;
n. [法律]（对土地、水域的）共有权;公共用地;普通;平民;
🗣️ 情景例句
Sure.
当然。
A good wife makes a good husband.
有好妻子就有好丈夫。
I was doing some exercises on the high-and-low bars. When I landed, I fell forward and hurt myself. Someone was standing too close and I knocked into him and fell over onto my shoulder.
我当时在高低杠上练习。落地时向前摔倒受了伤。有人站的离我太近，我撞在他身上，跌了一跤，肩膀也受了伤。