中文当我收到你的来信时我很开心英语翻译I was very happy when I received your letter重要词汇词汇说明记忆技巧I高考,CET4,考研,GMATletter高考,CET4,考研,GMAThappy高考,CET4,考研happ〔= hap〕机会; + y …的 → 有的 → 幸运的very高考,考研when高考,考研your高考,考研 参考资料: 1.百度翻译:当我收到你的来信时我很开心2.有道翻译:当我收到你的来信时我很开心