可数名词：

1. 规定，指定；规定性的东西

2. 处方，药方；处方上开的药

3.（关于疗法的）书面医嘱；（配戴眼镜的）验光单

4. 解救方法，诀窍

5. 权威性的因袭习惯；根据因袭习惯取得的权利

6.【律】（取得性或取消性）法定期限，时效；（因法定期限完结）权利的取得；（因法定期限完结）取得的权利

adj.

1.（药物）凭处方供应的；根据处方配制的

2.（眼镜等）根据验光单磨制的

英语解释

written instructions from a physician or dentist to a druggist concerning the form and dosage of a drug to be issued to a given patient

written instructions for an optician on the lenses for a given person

directions prescribed beforehand; the action of prescribing authoritative rules or directions

available only with a doctor's written prescription

a drug that is available only with written instructions from a doctor or dentist to a pharmacist