subject field
词形变化：
名词: subjection | 动词过去式: subjected | 动词过去分词: subjected | 动词现在分词: subjecting | 动词第三人称单数: subjects |
同义词：
topic | theme | field | specialty | follower | speciality | expose | endanger | imperil | text | issue | problem | point | question | plot | submit | content | subject field | case | bailiwick | national | discipline | matter | subject area | study | dependent | open | capable | guinea pig | subjugate | field of study | apt | prone | liable | likely |
反义词：