患者还可能对某种药物产生耐受性，这意味着患者必须服用比以往更大的剂量才能产生预期的效果。

A patient may also acquire a tolerance for a certain drug, which means the patient has to take ever larger doses to produce the desired effect.

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这种药每天必须服用三次。

This medicine must be taken three times a day.

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器官移植面临着排斥，因此接受者必须服用抗排斥药物。这可能对发育中的胎儿产生影响。

Organs transplanted face rejection, and so transplant patients need to take anti-rejection medications. These could have an effect on a developing fetus.

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