In order for a chemical to be considered a drug, it must have the capacity to affect how the body works.

为了使一种化学物质被认为是一种药物，它必须具有影响人体运作的能力。

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When that happened, individual cells could turn their reproductive capacity on or off according to the function they served in Volvox's body.

因此个体细胞根据他们在团藻中所具有的功能打开或关闭控制繁殖能力的开关。

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Our body is made up of about 70% of water just like our planet and so naturally we should consume enough water to keep our body hydrated and enough to recycle our body's capacity every so often.

与我们居住的星球一样，我们的身体是由大约70%的水份构成的，因此，很自然地我们要摄取足够的水份来保持我们的身体滋润，使身体经常保持充沛的能量。

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Whether in my body composition, my work capacity, or my strength.

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For if Americans see the court as no more than another partisan body, the justices' capacity to persuade persons of diverse ideological hues will be lost.

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And, of course, because the conscious mind is so limited in its capacity, trying to drive body language with it will cause it to overload quickly, like my executive did.

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