guy|登山背包上隐藏着哨子，这些可以保命的冷知识你知道吗？ Guy Shares‘Facts That Can Save Your Life’ edg

人们常说，“你永远不知道，明天和意外哪个先到来”。这个世界本就充满危险，有的人前一刻还在河水中自在地游泳，下一刻可能就被一股暗流卷走。但这并不意味着我们要生活在担惊受怕之中。相反，我们应该注意学习安全知识，做好防范，规避风险。

TikTok用户Knowledgesaurus一直致力于安全知识科普，他制作了“可以救命的事实”系列视频，其中提到了面对地震、海啸、失温等不同危险情况的求生方法，视频点击量超过百万。一起来看看他的求生法则吧。

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If you ever find yourself buried in rubble and can"t get out, don"t yell. You"ll end up just wasting energy and losing your voice. What you should do is grab something and start tapping in intervals of three. Humans are great at noticing patterns and the rescuers will start to move towards that. Once you hear them, then you can start yelling.如果你发现自己被埋在瓦砾中出不来，不要大喊大叫。这样最终只会让你的精力耗尽，发不出声来。你应该做的是抓住某样东西，三次一间隔的开始敲击。人类非常善于发现有规律的声音，救援人员会开始朝着你的方向搜救。一旦你听到他们的声音，就可以大声呼救了。
Note: rubble (n.) 碎石；瓦砾

If a tornado looks like it"s not moving, that means it"s heading towards you.如果龙卷风看起来没有移动，那就意味着它正向你袭来。

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[Photo/Boredpanda]A lot of backpacks have a hidden built-in whistle. The actual clip on many modern day backpacks that are meant for hiking or camping have that built-in whistle.很多背包都带有一个隐藏的内置哨子。如今，不少远足或露营专用的双肩包的卡扣都有这种设计。

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Photo by Daniel Jurin from Pexels
If you"re ever at the beach and you see the water receding or far away from where it normally is, run. This normally means a tsunami is coming. And someone who paid attention in school in 2004 used this and saved their own life by getting out of there.如果你在海滩上看到海水逐渐后退或远离平常的位置，快跑！这通常意味着海啸即将来临。2004年，在学校认真听讲的人凭借这个知识点逃脱，挽救了自己的生命。

If you ever see square waves in the water, get out immediately. These waves have powerful currents under the water that can sweep you out and take you away.如果你在水中看到方波，立刻离开。这些波浪下隐藏着强大的水流，可以把你卷走。

If your car ever goes into water, open a window or door immediately. If you don"t do this, the pressure differential is too great and it will keep everything shut and you have to wait until your car is completely filled with water in order to get out.如果你的车进水了，应该立即打开车窗或车门。如果不这样做，巨大的压差会将门窗都关死。到那时你只能等到车里完全充满了水才能逃出来。

guy|登山背包上隐藏着哨子，这些可以保命的冷知识你知道吗？ Guy Shares‘Facts That Can Save Your Life’

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