Thousands of turtles lived on the islands.

成千上万的海龟住在岛上。

Turtles live in fresh or salt water or on land.

龟类生活在淡水、海水里或陆地上。

Nikolai hiked high up into the mountains where the old turtle lived all alone.

尼古拉徒步来到老乌龟独自居住的高山上。

Storks, swans, dolphins, crocodiles, snakes, and turtles live here.

鹳、天鹅、海豚、鳄鱼、蛇和海龟生活在这里。

Or, could a turtle live outside of its shell?

或者，乌龟可以离开壳生活吗？

Reptiles lay eggs with hard shells. Lizards, snakes and tortoises are reptiles which live mainly on land while crocodiles, alligators and turtles live in water.

爬行动物会生蛋，蛋的外壳坚硬。蜥蜴，蛇和龟都是生活在陆地上的爬虫动物，而鳄鱼，短吻鳄和龟则生活在水里。

The difference is that a tortoise lives on the land, lives on dry ground, and a turtle lives in the water – or at least, that's what it says here in front of me.

区别在于乌龟生活在陆地上， 生活在干燥的地面上，而乌龟生活在水中——或者至少， 这就是它在我面前所说的。