Sundays是泛指每个星期天,而Sunday是星期天
sundays是用一般现在时
sunday看情况的
We are hoping for good weather on Sunday.
我们盼望着星期天天气好。
We went for a cycle ride on Sunday.
我们星期天骑自行车去兜风了。
It's a bit thick expecting us to work on sundays.
想让我们在星期日也工作，可真不像话。
We have had poor weather these past few sundays.
几个星期天都赶不上好天气。
温馨提示：
