A tortoise has a shell on his back.
乌龟背上有硬壳。
The fate of many British designers calls to mind the fable of the tortoise and the hare.
许多英国设计师的命运令人想起了龟兔赛跑的故事。
They found a giant tortoise.
他们发现了一只巨龟。
Tortoise and Snake Hills face each other across the river.
龟蛇二山隔江相望。
Breeding tortoise is one of new and developing aquatic product industries in china.
养龟是我国水产新兴行业之一。