常見例句雙語例句This strain was found to be multiform in morphology, atypical in colony shape, low virulent for laboratory animals and short of antigenicity;該菌株形態(tài)呈多形性，菌落不典型，對動物的毒力弱竝失去抗源性；The N strain of porcine parvovirus was a natural low virulent variant strain, which was isolated from the viscera of a stillborn fetus farrowed by a gilt in Guangxi.豬細小病毒N株是從廣西初産母豬所産死胎髒器分離的自然弱毒株。 返回 low virulent strain