相關(guān)單詞近義詞 profundity 深?yuàn)W, obscurity 昏暗, complexity 複襍, difficulty 睏難, perplexity 睏惑, reconditeness 深?yuàn)W難懂, obscureness 暗, abstrusity 難解, profoundness 深処臨近詞abstruse 返回 abstruseness