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关注：1
2013-05-23 12:21
求翻译：in class ,their minds are still wandering around the farm.they waste too much time on it so that they fail to hand in their homework in time and there is o sharp decline in their grades是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
in class ,their minds are still wandering around the farm.they waste too much time on it so that they fail to hand in their homework in time and there is o sharp decline in their grades
问题补充：  
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