Co-efficient
n. [数] 系数；率；协同因素\\na. 合作的；共同作用的
🧩 词语组成解析
[医] 钴(27号元素)
efficient
[i'fiʃənt]
adj. 有效率的;（直接）生效的;能干的;（因省钱、省时或省力等而）收效大的;
🗣️ 情景例句
He is,
没有错。
A courageous foe is better than a cowardly friend.
勇敢的敌人胜过懦怯的朋友。
There were hopes, however, that the problem of the rabbit would become manageable.
但是，已有希望解决兔子所带来的问题。