You can survive for 3 Minutes without air (oxygen) or in icy water3 Hours without shelter in a harsh environment 3 Days without water 3 Weeks without food
空氣(氧氣).體溫(不失溫也不過熱).水.食物
71. 野外求生要把握「333原則」,意外發生時,一定要先保持冷靜,首先(甲),..-阿摩線上測驗