英语中at the weekend与at the weekends有什么区别?

英语中at the weekend与at the weekends有什么区别? 英语中的at the weekend与on the weekend有什么区别?快来帮我! 写一篇英语作文 at the weekend at the weekend造句 at the weekend同义词 on the weekend or at the weekend at the weekend 英语作文---汉语英语作文 如何区分at weekend 与 on weekend at weekends和at the weekend 区别 At weekend和at the weekend有区别吗?同上. on weekends与at the weekend意思相同吗 一下短语有什么用法区别?At weekend.On weekend.At the weekend.On the weekend. 我们说 on weekend ,at weekend,还是in the weekend 英语在周末应该是on the weekend 还是 at the weekend,并请说明原因. at the weekends和at the weekend和at weekend和at weekends有什么区别 at the weekends,at weekends,at the weekend,at weekend 怎么区别? 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 at the weekend与for the weekend的区别是什么?原句:What are the johnsons going to do at the weekend?We're going to stay at my mother's for the weekend.