柯林斯詞典tortoise /?t??t?s/ (tortoises) 1. N-COUNT A tortoise is a slow-moving animal with a shell into which it can pull its head and legs for protection. 龜 返回 tortoise劍橋詞典an animal with a thick , hard shell that it can move its head and legs into for protection . It eats plants , moves very slowly , and sleeps during the winter . 龜，陸龜 返回 tortoise