這是因為不斷有蹦友說跳得膝蓋疼。我在Lily妹妹沒有貼此帖時也覺著膝蓋跳得不是很舒服，看完此貼照做，就好了。大謝！

來源: 頤和園於 2015-08-06 09:37:06 [舊帖] [給我悄悄話] 本文已被閱讀：次

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