相關(guān)單詞近義詞 profundity 深奧, obscurity 昏暗, complexity 復(fù)雜, difficulty 困難, perplexity 困惑, reconditeness 深奧難懂, obscureness 暗, abstrusity 難解, profoundness 深處臨近詞abstruse 返回 abstruseness