亚麻、棉布等天然布料吸汗且透气。比聚酯纤维等人造纤维要好得多，聚酯纤维会困住皮肤上的水分，让你感到闷热不适。

But when it comes to colour, things get a little more complicated.

但说到颜色，情况更复杂一些。

White is good if you're out in direct sunlight a lot - it will reflect the heat better than any other colour. But if you're spending time in the shade, black is a more effective colour to wear as it radiates out heat into your environment, cooling you down.

如果直接在太阳下暴晒，那么白色是没错的。相比其他颜色，白色能更好反射热光。但是如果你身处阴凉处，那么黑色的效果会更好，因为它能把热量释放到环境中，为你降温。

Drinking hot drinks actually lowers your body temperature

喝热饮实际上会降低体温

Staying hydrated is key. According to the NHS, if you don't drink lots of water and beverages like fruit juice, you can start to become unwell, with symptoms of headache and tiredness. It can lead to heat exhaustion and heatstroke, which in the worst cases can be fatal.

保持水分非常关键。据英国国家医疗服务体系称，如果不摄入大量的水分或果汁等饮品，人们就会出现头痛、疲劳等不适症状。这可能导致热衰竭和中暑，最严重时可能危及生命。

But what about hot drinks? Can they help cool you down? Well, it comes back to sweat again.

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