### Chinese: 普及一下：急救措施其实是做发生突发事件时候的应急救援，即在救护车来之前的抢救。
### English: Popularize it: First aid measures are actually emergency rescue when emergencies occur, that is, rescue before ambulances come.

### Improved English: For your information: first aid measures refer to emergency rescue in emergencies, i.e., emergency treatment conducted before the coming of the ambulance.
