相關(guān)單詞近義詞 critical point 臨界點decisive point, 決勝點, turning point 轉(zhuǎn)折點, watershed 流域, crisis 危機, crux 關(guān)鍵, crunch 發(fā)出碎裂聲臨近詞knife, knifeedge 返回 knife-edge