相关单词同义词sub, class, small group, 近义词 subsection 小部份, subdivision 细分, subgroup 子群, subcategory 子范畴, subclass 子类临近词subside, subservient, subsets, subset zum, subsethood, subset code, subset word, Subset ratio, subset cover, subsetability, subset degree, subset theory相似词subscription, subsection, subsequent, subservient, subside, subsidence, subsidiarity, subsidiary, 返回 subset