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Facts about water
关于水的真相
Here are some interesting facts about water:
下面是关于水的一些有趣的真相：
About 70% of the human body is water.
人身中约 70％ 是水。
Oceans cover about 75% of the Earth, but ocean water is salty.
海洋覆盖约 75％ 的地球，但海水是咸的。
Therefore most of the water in the world is not drinkable.
因此世界上大部分水是不可饮用的。
Groundwater may be drinkable, but it is not easy to find groundwater that is clean and safe to drink.
地下水可能可直接饮用，但可饮用的清洁而安全的地下水不容易找到。
If water drips from your tap every 10 seconds, you will waste about 315 litres of water a year-enough to fill two baths!
如果水龙头每 10 秒滴 1 滴，你每年会浪费约 315 公升的水——足以洗两次澡！
Having a bath uses about twice as much water as taking a shower.
浴缸浴所用的水大约是淋浴的两倍。
Having a shower instead of a bath can save up to 400 litres a week.
选择淋浴而不是浴缸浴每周可以节省 400 升的水。