求翻译：One person in each pair must have the egg with him or her at all times-twenty-four hours a day. At no time can they let the egg be out of sight. "If a teacher catches you without your egg," said one student, "she makes you go get it. They are really strict." The teachers also make the students spend half an hour each day sitting with the egg and just watching it. That can get pretty boring. But it's also something that parents spend a lot of time doing.是什么意思？

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