慢慢荒废学业
Gradually neglect studies
以上为机器翻译结果，长、整句建议使用 人工翻译 。
严重的甚至使小学生无法全身心全精力地投入学习，慢慢荒废学业。
Serious and even make pupils cannot give full effort into learning, slowly abandoned his studies.
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