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
(looking at his calendar) Oh, next Friday is May 4th.
（正在看着日历）哦，下周五是五月四号了。
Could all of you take your seats? We need to continue our meeting.
请你们各位就坐好吗？我们要继续开会了。
I've just had a cup, thank you.
我刚喝了一杯，谢谢。