A period of time 用于什么时态满意的话加分加到满为止

over a period of time A period of time 用于什么时态满意的话加分加到满为止 英语翻译 over a period of time 是a period of time 还是times? Why silent for a period of time you owe me a period of time a seemingly endless period of time? what's the difference between'over a period of time'and 'during a period of time'? 关于periods of 和 a period of的英语问题periods of 和 a period of的意思是什么?例如periods of time he a period of time Some people,we spent a very short period of time for a long period of time可以用什么替换? a period of short time =什么单词 Sometimes really miss a certain period of time.... Ten weeks.Such a long period of time.怎么翻译? from tomorrow on us apart for a period of time miss a period of A period of five Over a period of time,I will be very busy no time and you chat.