每天一开始我们全部集中到礼堂里听校长训话。

At the beginning of the day, we all assemble into the main hall to be addressed by the headmaster.

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但是，当我们搬家的时候，他们就突然之间全部集中到一起来了。

But when we moved, they all got together all of a sudden.

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只需碰触一个按钮，它的全部能量却可以集中到一个点上。

At the touch of a button, however, all of its energy can be focused onto a single point.

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