关于irritants的百科

• irritants造句怎么写

• Acutebronchitiscanbecausedbyinfectionorbyexposuretoirritants.Ifweletthem,suchirritantscandistractusfromtheenjoymentoflife.MethodsChemicalirritantswereusedtomaketherabbitfeverandthenantifebrileexperimentwasmade.Newbornsdonothavenormaltearsecretionstop...
• 2017-02-1429119