自救在英语中可以用 "self-rescue" 来表示。这个词的来源可以追溯到拉丁语的 "salvare"，意思是 "to save"。
例句：
I need to learn how to do self-rescue in case I get lost in the wilderness. (我需要学会如何自救，以防我在荒野迷路。)
The hikers carried a self-rescue kit with them in case of an emergency. (这些徒步旅行者带着一个自救工具包，以防发生紧急情况。)
The self-rescue techniques that I learned at the survival workshop came in handy when I was stranded on a deserted island. (我在生存工作坊学到的自救技巧在我被困在荒岛时非常有用。)