In order for fire to burn, air is necessary, hence the necessity of the breath.

为了让火燃烧，空气是必要的，因此呼吸的必要性。

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Hearing the fire alarm, get out of the house quickly but in a certain order.

听到火警时，迅速而有序地离开房子。

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Hearing the fire alarm, get out of the house quickly but in a certain order.

听到火警时，迅速而有序地离开房子。

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