Common divisor
n. 公約, 公約數
?? 詞語組成解析
common
['kɑm?n]
adj. 普通的;通俗的;[數學]公共的;共有的;
n. [法律]（對土地、水域的）共有權;公共用地;普通;平民;
divisor
[di'vaiz?]
n. <數>除數;分水設備;因子;
??? 情景例句
They mentioned you as a good source of information.
他們說你消息靈通。
This man digs foundations for skyscrapers.
這個人在挖著高層大樓的地基。
What they had in fact found was a ship which had been sunk many years before.
事實上，他們發現的是另一艘沉沒多年的船。