subjectn.话题；科目；主题；题材；主观；[语]主语n.实验对象；(君主国)国民adj.易患的；服从的vt.使服从；使隶属；使遭遇subject merge产业融合

1. In a case of hypomagnesaemia in a cow there is no physical lesion.
   一例低镁血症病牛并无器质性损害。