那么热饮怎么样呢？它能让你凉快起来吗？好吧，又要从流汗说起了。

The thinking is, drinking a hot drink raises your body temperature, causing you to sweat. Sweating cools you down because as the moisture evaporates it takes away some of the heat of your body.

原理就是喝热饮会让人体温升高，开始流汗。出汗能让你凉快，因为汗水蒸发会带走身体的部分热量。

But sweating also means that you are losing liquid from your body, meaning you need to take on more to stay hydrated.

但出汗也意味着体内水分正在流失，所以你需要喝更多水补充水分。

Keep the curtains closed - block out the sun

拉上窗帘，遮挡太阳

This is another one where there is no precise answer.

这是另一个没有标准答案的问题。

If you have thick dark curtains then keep them open, otherwise the fabric can keep the heat trapped in the room.

如果你家窗帘是深黑色的，那就把它拉开，否则窗帘会将热量关在房间里。

Lighter curtains can help reflect the sun's rays back out of the room, so keep them closed.

颜色较浅的窗帘有助于将太阳光反射出房间，所以请把它拉上。

Putting something reflective on the outside of the glass can bounce the heat away, keeping the room cool.

在窗玻璃外面放一些反光的东西可以反射热量，让房间保持凉爽。

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