耳朵胀痛可以算是乘飞机带来的一个副作用,但它没那么容易克服。耳朵会胀痛是因为飞机向高空爬升时,周围的空气层变得越来越稀薄。然而,机舱内的空气被加压到另一水平,根据物理搜索网站physics.org的说法,这导致我们身体内(包括耳朵中)的空气膨胀起来。虽然无法阻止这种情况发生,专家建议我们可以通过嚼口香糖或者打呵欠来让耳朵恢复正常。
Why can't you take a bottle of water through security?
为什么你不能带着一瓶水通过安检?
Even the best people at airplane trivia might not know why bottled water is such a no-no in security lines. You can't take a bottle of water through security because it causes both safety and time issues. While TSA security scanners are advanced, they have trouble telling a full bottle of water apart from a bottle of chemicals. TSA allows liquids in small doses, but they have to go through separate from your carry-on luggage.
即使是最了解飞机冷知识的人,可能也不知道为什么瓶装水在安检中被视为违禁物品。不允许带瓶装水通过安检,除了安全因素,也有考虑到时间问题。虽然美国交通安全管理局(TSA)的安检扫描仪非常先进,但让它们分辨出瓶子里装的是水还是化学试剂还是有点困难。TSA允许携带小剂量的液体,但是它们必须和随身行李分开单独检查。
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