Common ratio
[计] 公比
🧩 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;
ratio
['reiʃiəu]
n. 比，比率;比例;系数;
vt. 求出比值，除，使…成比例;将（相片）按比例放大[缩小];
🗣️ 情景例句
There's another advanced class today at four o'clock.
今天下午四点钟还有一次高级班。
She seems to have no principles at all when it is a question of making money.
一碰到挣钱的事，她就好像完全不顾自己的人格了。
She is going to set out from the French coast at five o'clock in the morning.
她打算早上5点钟从法国海岸出发。