提示：点击例句中的单词，就可以看到词义解释

Did their parents know where they were on weekends ?

他们的父母知道他们周末在哪里吗？

Homework is double on the weekends .

在周末作业是加倍的。

Training at weekends may be uncompensated .

周末的训练也是没有报酬的。

You should have a rest on weekends .

你应该在周末休息一下的。

Have you spent a wonderful weekends ?

大家度过了一个愉快的周末吗？