[清单r]文章难句this is where inhalers, the primary treatment for asthma, come in. inhalers transport medication along the affected airways using a liquid mist or fine powder to treat the problem at its source.[放大镜r]词汇突破inhaler [inherler]n.吸入器;空气过滤器;吸入者treatmenttri:tment n.治疗，疗法;处理;对待mist [mist]n.薄雾;视线模糊不清;模糊不清之物[海豚r]结构分析第一句是主系表结构，主语this指代前文内容，系动词是is，表语是where引导的名词性表语从句，从句中的主语inhalers 含有同位语the rimarytreatment for asthma，即针对哮喘最原始的治疗手段”，谓语动词comein 表示“进来:形成:流行起来”:第二句的主干是inhalers transporlmedication，介词短语along the affected airways做状语，表示“沿着发病的呼吸道”，现在分词usinc a liquid mist or fine powder同样做方式状语，介词短语 to treat the problem表示目的，介词短语at its source表示地点，均作状语。[仙女r]参考译文针对哮喘最原始的治疗手段–吸入器，就是因此而产生的。吸
入器会将药物沿着发病的呼吸道运输，把气雾状或者细粉状的药物作用干源头以进行治疗。—————————————–
