相关单词同义词constituent, optional course, 近义词 optional 任选的, selective 选择的, voluntary 自愿的, discretionary 自由裁量的, voting 投票, free 自由的, electoral 选举的, electing 动词elect的现在进行..., selecting 选择, choosing 选择, designated 指定的, elect 选举, chosen 挑选出来的, selected 选定的, elected 动词elect的过去式和..., elective course 选修课反义词appointive, 由任命而充当的...required, 必需的compulsory, 强制的临近词elector, election, Electives, electively, electiveness, elective card, elective power, elective class, elective mutism, elective medium, elective lesson, elective theory相似词election, election campaign, election day, electioneering, elective dictatorship, elector, electoral, electoral college, 返回 elective