The people of ancient China believed that their word for "rabbit" harmonized with their word for "spit." (Both words are pronounced "tu.") They supposed that all rabbits were female in gender, that there were no males.
古代中國人對動物的看法，除了來自實際的觀察與生活經驗，還加上種種想像，產生了一套今天看來不可思議的邏輯。