染色单体的概念:帮忙翻译

来源:百度文库 编辑:杭州交通信息网 时间:2024/04/28 18:11:51
两年里发生了三次,或著这已经是第三次了,在两年的时间里
It is the third time during the two years. 有错误不,要用完成时吧?

It is the third time during the two years.没错

it was the third time during the two years

It was the third time during the two years.

to