找一个能让你坐着舒服的椅子，可以升降的桌子，站一会坐一会，加靠垫座垫给予支撑，给学生解释一下你的难处。

来源: Happy_Woman 于 2025-12-25 21:29:58 [旧帖] [给我悄悄话] 本文已被阅读：次

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