The light goes out for five minutes every two minutes.

问题描述:

The light goes out for five minutes every two minutes.
1个回答 分类:英语 2014-11-19

问题解答:

我来补答
电灯每隔两分钟就要停掉五分钟.
就是:亮了两分钟,跳闸五分钟,然后又亮两分钟,再跳闸五分钟
 
 
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