年輪越寬應該是雨水越多的年份。我畫的線有不同斜度的，所以不能完全根據線條長短來斷定。

來源: GraceX 於 2018-10-02 10:40:48 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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