It is 它是

例句：

它是世界上的贫穷国家之一。

Its among the poorer countries of the world.

相关介绍

“它是这样工作的。”她解释道。

'It works like this,' she explained.

多好的狗——它是公的还是母的？

What a nice dog ─ is it a he or a she?

它是全球最大的计算机公司。

It's the world's biggest computer company.