哈哈，一並謝謝小布醫妹雅班和桉椏妹妹，言之有理，大多數操場的兩端是半圓形：-）。

來源: 廣陵曉陽於 2025-03-16 09:43:21 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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