常見(jiàn)例句雙語(yǔ)例句The Old and New Hangu Passes and Tongguan Pass used to be the three impregnable passes along the ancient Xiaohan Road.舊函穀關(guān)、新函穀關(guān)和潼關(guān)，是崤函古道上先後興替的三座雄關(guān)。 返回 impregnable pass