Warning: file_put_contents(): Only 0 of 4952 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 refresher course英英字典_refresher course剑桥英语解释_refresher course柯林斯英文解释_沉淀汉英词典
1. N-COUNT A refresher course is a training course in which people improve their knowledge or skills and learn about new developments that are related to the job that they do. 进修课程