at the weekend 和 over the weekend 有什么分别?

At weekend和at the weekend有区别吗?同上. at weekends和at the weekend 区别 at the weekend 和 over the weekend 有什么分别? at the weekend 和 on the weekend的区别 at the weekends和at the weekend和at weekend和at weekends有什么区别 on the weekend和at weekend用法一样吗? at weekend,on weekend,at the weekend ,on the weekend和on weekends的区别?尽量详细些... at the weekend造句 at the weekend同义词 at weekend,on weekend,at the weekend ,on the weekend,on the weekends,at weekend和on weekends区别?at weekend,on weekend,at the weekend ,on the weekend,on the weekends ,at the weekends,at weekends和on weekends的区别? on the weekend or at the weekend for the weekend和at the weekend有啥区别呢, 我们说 on weekend ,at weekend,还是in the weekend 一下短语有什么用法区别?At weekend.On weekend.At the weekend.On the weekend. on the team ,on the weekend 和英式英语 in the team,at the weekend 的区别. on the weekend 和 at the weekend 意思一样吗?在句子中随便使用哪个都可以吗? at the weekend和on the weekend哪个是美音?课上老师讲过,但我走神了没听清. on与at的区别What do you usually do on the weekend?和What do you usually do at the weekend?ON与AT的区别