v.提交( subject的现在分词 )；使经受；使遭受；使服从 双语释义：n.(名词)[C] 主题,题目 the thing that is dealt with or represented in a piece of writing, work of art, etc.[C] 话题,考虑的问题 sth being talked about or considered[C] 学科,科目; 课程 a branch of knowledge studied, especially in a system