一小时以后, 两个组交换位置.

An hour later, the groups change places.

B 李兹，你能一小时以后打过来吗？

B Liz, can you call back in an hour?

一小时以后，范尼在更衣室里提出了严重抗议。

An hour later, in the Changing Room, Fanny was energetically protesting.

一小时以后,医生宣布他们两个人都因食有了羊脏菌而中毒身亡.

An hour afterwards a physician declared they were both poisoned through eating mushrooms.