任贤齐天涯免费下载:一遍又一遍用英语怎么说
来源:百度文库 编辑:高考问答 时间:2024/05/07 07:24:55
again and again
again and again
again and again
again and again
eg:The experiments were done most carefully again and again.
over and over
eg:she performed the experiment over and over,working till midnight.
over and over again
不同的语言环境解释不同!