[mass noun]a substance used for medical treatment, especially a medicine or drug 药,药物 he'd been taking medication for depression. 他一直在服用药物来治疗抑郁症。 [count noun]certain medications can cause dizziness. 某些药物会导致头昏。 ■treatment using drugs 药物治疗 chronic gastrointestinal symptoms which may require prolonged medication. 可能需要长期药物治疗的慢性胃肠病症。