相关单词同義詞traditional, conventional, common, ordinary, regulation, 近義詞 customary, familiar, normal, ordinary反義詞unique, unusual臨近詞usually, USSR, usual PM, usualness, usual way, usual care, usual risk, usual form, usual duty, usual bias, usual mode, usual type相似詞usherette, USP, USS, usu., usually, usurp, usury, UT, 返回 usual