Water is our simplest nutrient. It requires no more preparation than turning on a tap. We know when we need to drink it because we feel thirsty. Fully functioning adults tend not to forget to drink enough water to survive.
對我們來說,水是最簡單的養(yǎng)分。它不用置備,只要擰開水龍頭就好了。我們知道什么時候需要喝水,因?yàn)槲覀儠X得口渴。功能正常的成年人不會忘了喝足夠的水以保證自身的存活。
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