药剂；汤剂；制剂medication; decoction; preparation

• 麻醉剂

  anaesthetic

• 镇静剂

  sedative

• 退热剂

  antipyretic

• 兴奋剂

  stimulant

【化】agent

• 冷冻剂

  cryogen

• 冷却剂

  coolant

• 防腐剂

  preservative

参见：剂子[jìzi]

中药一服dose

• 第二剂药

  second dose

• 他吃过几剂中药以后病好了。

  After taking a few doses of traditional Chinese medicine his illness was cured.