作业帮 > 英语 > 作业

diamonds are very impressive as they are mined钻石刚开采时并不光彩照人.

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:2024/06/23 05:12:32
diamonds are very impressive as they are mined钻石刚开采时并不光彩照人.
diamonds are very impressive as they are mined钻石刚开采时并不光彩照人.
英语有语法错误吗?as可以改成at吗?
diamonds are very impressive as they are mined钻石刚开采时并不光彩照人.
没有语法错误,as不可以改成at,这里的as引导后面的时间状语从句,意思是“在什么时候”
再问: at不是也有“在什么时候”的意思吗
再答: 但是at不能引导从句,只是个介词而已