用shell造句

来源：百度知道 编辑：UC知道 时间：2024/06/28 05:49:00
名词，壳的意思

How long have you been collecting shells?

I have been collecting shells for 3 years.
和二楼意思一样
现在完成进行式,意思是:我收集贝壳已经3年了

I have been collecting shells since 2 years ago.
楼上的强,和我一问一答

I have been collecting shells since 2 years ago.