求翻译：首先，到达事故现场后，先检查现场是否安全，让后检查事故现场是否有人受了重伤，如果有人受了重伤，应该立即拨打急救电话，另外还有一些急救的简单措施。比如，有人从高处摔了下来，这时，应该赶紧拨打急救电话，等待急救人员的到来!是什么意思？

First of all, after arriving at the scene of the accident, first check if the site is safe, then check whether the scene of the accident was badly hurt, if a person is badly hurt, you should immediately call emergency number, and there are also simple first aid measures. For example, some people fel

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正在翻译，请等待...

First of all, after arriving at the scene of the accident, first check if the site is safe, then check whether the scene of the accident was badly hurt, if a person is badly hurt, you should immediately call emergency number, and there are also simple first aid measures. For example, some people fel

First of all, after arriving at the scene of the accident, first check if the site is safe, then check whether the scene of the accident was badly hurt, if a person is badly hurt, you should immediately call emergency number, and there are also simple first aid measures. For example, some people fel