A tortoise has a shell on his back.

　　烏龜背上有硬殼。

　　The fate of many British designers calls to mind the fable of the tortoise and the hare.

　　許多英國設計師的命運令人想起了龜兔賽跑的故事。

　　They found a giant tortoise.

　　他們發(fā)現了一只巨龜。

　　Tortoise and Snake Hills face each other across the river.

　　龜蛇二山隔江相望。

　　Breeding tortoise is one of new and developing aquatic product industries in china.

　　養龜是我國水產(chǎn)新興行業(yè)之一。