空谷足音 空谷足音:kōnggǔzúyīn基本解释:[thesoundoffootstepsinadesertedvalley-anewsorastatementwhichonedoesnothearoften,orathingthatwasseldomtofound]空旷的山谷里听到的人的脚步声。比喻十分难...... 网名集 2021-08-27