感觉有明显进步！

来源: 于 2012-04-24 22:41:27 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

This center is for students and visitors who want to learn more about farming and living（听着象leaving） in environmentally friendly ways.这句有点儿蹦，别的句子语流上都很好！