on the weekend和at weekend用法一样吗?

at the weekend 和 on the weekend的区别 at weekend,on weekend,at the weekend ,on the weekend和on weekends的区别?尽量详细些... on the weekend和at weekend用法一样吗? on the weekend or at the weekend 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? 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 on the team ,on the weekend 和英式英语 in the team,at the weekend 的区别. at,noodles,usually,we,eat,weekend,the. 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 weekend和at the weekend有区别吗?同上. weekday 和weekend用on还是at at weekand 和on weekend的区别 at weekand 和on weekend的区别 at weekends和at the weekend 区别 on the weekend/ in the weekend/ at the weekend.三个短语怎么区别? we’ll have it for the weekend.为什么用for the weekend 不用on the weekend 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?