that的复数形式是those

this的复数形式是these

相关介绍

If you think about it, those children must be at school by now.

想想吧，那些孩子现在一定在学校了。

I think you'll find these more comfortable than those.

我想你会觉得这些比那些更舒适。

All these changes happened over a period of time.

所有这些变化都是在一段时间内发生的。

Teachers are up against some major problems these days.

老师们最近面临着一些重大问题。