focus与center

来源：学生作业帮编辑：搜搜做题作业网作业帮分类：英语作业时间：2024/08/10 15:57:05

focus与center
Her research ___ the social effects of unemployment.
centered on
为什么不能选is focused on?

很简单
focus on 这里要用主动语态
Her research focuses on the social effects of unemployment

focus与center center与focus当中心讲的区别 center on focus on focus "focus centre 与center的区别 center 英语翻译fitness center 与 health center有何区别 service-only center 与service center的区别 Given（x-1）²-16（y+2）²=16,find the center,the focus, center与centre的区别与用法 center与central有什么区别?