adj. 合作的;协助的;共同的;〈美〉(大学文科)有关[包含]各种实习活动的;
n. 合作社,联合体;
co共同+oper操作+ative形容词后缀,…的→合作的,协作的,[转为名词] 合作社
🗣️ 情景例句
All you do is
你所要做的就是
Do you speak English?
你会说英语吗?
and since most medical men in the Health Services are overworked and have little time for offering time-consuming and little-appreciated advice on such subjects as diet,