Expectorants are commonly used as a herd treatment and are administered in the drinking water.祛痰剂常用作猪群治疗药,可加到饮水中喂给.OBJECTIVE : To evaluate the application of anticholinergic agents, theoclears and expectorants in the cli...

n.除痰剂( expectorant的名词复数 )...

expectorants的音标：expectorants的英式发音音标为：[eks'pektərənts]expectorants的美式发音音标为：[eks'pektərənts]...