declare parents visiting hours change
...tions improved quarters 如何改善宿舍条件 how improving the dormitory conditions ; declare parents visiting hours change ; how to implement hostel discipline ; How ensure the dormitory safety 宿舍条件很好 dormitory conditions are very good ;...
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declare parents visiting hours change
宣布父母探视时间的改变
以上为机器翻译结果，长、整句建议使用 人工翻译 。