study做名词时什么时候用单数,什么时候用

如题所述

study作为【书房,习作,研究成果】理解时是可数名词。
N-COUNT 研究;调查;研究成果A study of a subject is a piece of research on it.

Recent studies suggest that as many as 5 in 1000 new mothers are likely to have this problem.
最近的研究成果表明在 1000 个刚生产完的妈妈中,有 5 个可能存在这样的问题。

...the first study of English children's attitudes.
首个关于英国儿童观念的研究
温馨提示:答案为网友推荐,仅供参考
相似回答