come up
用法
come up是动词come+副词up结构,其含义比较丰富。例如:
① Smoke comes up from the chimney every day.
每天烟尘从烟囱里冒出来。
② My teacher came up and asked me some questions.
我的老师走过来问了我一些问题。
③ Because the temperature is low,the seeds have not come up.
因为气温低,种子还没有发芽 ...... (共266字) [阅读本文]>>