药衡磅

例句：

1. 1. The doctor prescribed a medicine for her to take three times a day.
   医生开了一种药让她每天三次服用。
2. 2. The pharmacist weighed out the medicine and handed it to the patient.
   药剂师称出了药并递给了病人。
3. 3. The patient took the medicine as directed, feeling much better after a few days.
   患者按照指示服用了药，几天后感觉好多了。