Meanwhile

与此同时，你能审阅一下我发给你的文件吗？

___Meanwhile, could you please review the document I sent you?

母亲生病了。孩子与此同时，正和他的祖父母住在一起。

The mother is ill. The child, ___meanwhile, is living with his grandparents.

修理需要几个小时。在此期间，我们可以在自助餐厅等候。

The repairs will take a few hours. We can, ___meanwhile, wait in the cafeteria.