official speech英语标准发音:official speech英式发音:美式发音:翻译中文演讲official speech - 基本释义[词典1]正式演讲official speech - WEB词典official speech发言The official speech is lengthy训辞冗长 参考资料: 1.百度翻译:official speech2.有道词典:official speech3.爱词霸:official speech