theirs：pron.他们的，她们的，它们的(所有物)；
例：
There was a big group of a dozen people at the table next to theirs .
他们旁边的桌上坐了一大群人，有十几个。
相关介绍
It would cost about 3,000 to install a new heating system in a flat such as theirs.
在他们那样的一套公寓房里安装一套新的供暖系统可能要花费3,000英镑左右。
This child is nobody's child until someone makes her theirs officially.
在有人办理正式手续认领以前，这个孩子不属于任何人。
Theirs had been an increasingly attenuated relationship.
他们的关系日益冷淡。
Now they are returning to claim what was theirs.
如今他们回来索取本属于他们的东西。
