Carrying a first-aid case, he went out of the door quickly towards the accident site.

他拿着急救箱快速走出门，向出事地点快速赶去。

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You should keep a first-aid kit in your home just in case there is an accident.

你应该在家里放一个急救箱，以防发生事故。

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In case of an accident, bicycle riders should know how to give first aid.

万一发生事故，自行车骑行者应该知道怎样进行急救。

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Smart phone applications such as Emergency Aid or In Case of Emergency (ICE) for the iPhone provide one-touch emergency contacts and first aid information in the event of an incident.

CNN: In an emergency, who do you call?