名词
中文翻译：镇咳药
同义词：
['cough suppressant', 'antitussive']
例句：
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1. He took an over-the-counter cough suppressant to relieve his coughing.
他服用了非处方的镇咳药来缓解他的咳嗽。
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2. The doctor prescribed an antitussive for her sinus congestion.
医生给她开了一个抗组胺药来治疗她的鼻窦充血。
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3. After taking the medicine, she felt much better and was able to go back to work.
吃了药之后，她感觉好多了，能够回到工作岗位。