相关单词同义词traditional, conventional, common, ordinary, regulation, 近义词 customary, familiar, normal, ordinary反义词unique, unusual临近词usually, USSR, usual PM, usualness, usual way, usual care, usual risk, usual form, usual duty, usual bias, usual mode, usual type相似词usherette, USP, USS, usu., usually, usurp, usury, UT, 返回 usual