中文他离开教室已经三个小时了英语翻译It has been three hours since he left the classroom英式发音美式发音重点词汇词汇说明记忆技巧he高考,CET4,考研classroom高考,CET4,考研left高考,CET4,考研the高考,考研three高考,考研since高考,考研 参考资料: 1.百度翻译:他离开教室已经三个小时了2.有道翻译:他离开教室已经三个小时了