on weekends和on the weekend 有什么区别?on weekends和on the weekend 之间有什么区别?

on the weekends 翻译 关于on weekends和on the weekends的问题是on weekends还是on the weekends,还是两者都可以?怎么用?与on the weekend有什么区别? Tom often （w ）movies on the weekends 有on the weekends吗一般好像听过on weekends和on the weekend是________the weekends呢?at? on weekends和on the weekend的区别 on weekends和on the weekend 有什么区别?on weekends和on the weekend 之间有什么区别? at weekends和on weekends的区别 有没有on the weekends on weekends、at the weekends、at weekends、on the weekends有什么区别 on weekends=at the weekends吗?或是on weekends=at the weekend还是on weekends=at weekends on weekends以及on the weekend 区别 on weekends on weekends. 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? 在周末的英语除了on the weekends 和at the weekends 以外还有什么表达方式 是on the weekends还是at she weekends详细和为什么 区别at the weekends,on the weekend,at weekends,on weekendsat the weekends,on the weekend,at weekends,on weekends都有些什么区别?各自的意思是什么? at the weekends跟on the weekends的区别