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
The production department's waiting in the conference room.
生产部门的人正在会议室等你 。
Someone is using the phone.
有人在用电话。
New Zealand wine is of high quality and is sold all over the world.
新西兰的葡萄酒质量很高，销往世界各地。