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MP3下载

https://online2.tingclass.net/lesson/shi0529/0007/7791/1101101508_586.mp3

https://image.tingclass.net/statics/js/2012

Sorry to have let you down. 对不起,让你失望了!

To make sb. disappointed

Our parents work hard to support us so as to make us a knowledgeable person! We should not let them down!

父母为了让我们成为有用之才努力工作支持我们,我们不要让他们失望!