subjectsn.科目名词subject的复数形式.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 essence学科性质subject concept主概念subject element主体要件subject heading主题标目subject country属国subject matters题材subject content学科内容subject message主题报文subject to stem[经] 以协议装货日期为准subject reasons主体性根源