主题( subject的名词复数 )；话题；主语；学科
v.提交( subject的第三人称单数 )；使经受；使遭受；使服从
"he didn't want to discuss that subject"
同义词：topictheme
some situation or event that is thought about"he had been thinking about the subject for several years"
同义词：topicissuematter
a branch of knowledge"teachers should be well trained in their subject"
同义词：disciplinesubject areasubject fieldfieldfield of studystudybailiwickbranch of knowledge
something (a person or object or scene) selected by an artist or photographer for graphic representation"a moving picture of a train is more dramatic than a still picture of the same subject"
同义词：contentdepicted object
a person who is subjected to experimental or other observational procedures; someone who is an object of investigation"the subjects for this investigation were selected randomly"
同义词：caseguinea pig
a person who owes allegiance to that nation"a monarch has a duty to his subjects"
同义词：national
(grammar) one of the two main constituents of a sentence; the grammatical constituent about which something is predicated(logic) the first term of a propositionv.cause to experience or suffer or make liable or vulnerable to"He subjected me to his awful poetry"; "The sergeant subjected the new recruits to many drills"; "People in Chernobyl were subjected to radiation"
make accountable for"He did not want to subject himself to the judgments of his superiors"
make subservient; force to submit or subdue同义词：subjugate
refer for judgment or consideration同义词：submit
adj.not exempt from tax"the gift will be subject to taxation"
possibly accepting or permitting"the time is fixed by the director and players and therefore subject to much variation"
同义词：capableopen
being under the power or sovereignty of another or others"subject peoples"
同义词：dependent
likely to be affected by something (especially something unpleasant)"the bond is subject to taxation"; "he is subject to fits of depression"
school subjects学习科目
elective subjects 选修科目（elective subject的复数）
required subjects必修科目