Only trained doctors and nurses can provide first aid.
只有经过培训的医生和护士才能进行急救。
Only during some accident these people are then the first ones to come to our aid and sometimes at the risk of their own lives.
这些人只有在某些事故后第一个来帮助我们,有时在自己生活的风险。
The fire pump acts not only for first aid but also to force the self rescue capacity.
设置消防水泵不仅是为了扑救初期火灾,而且也是增强自救能力的措施;
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