玉米起源於墨西哥，不知道何時傳入中國。還有地瓜，起源於南美洲，對國人填飽肚子也起了很大作用。

來源: FollowNature 於 2024-02-11 08:08:00 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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