A plastron is the underside of a tortoise or turtle's shell.

海的底部有甲。

Turtles and tortoises have hard shells which protect their bodies.

有坚硬的壳来保护它们的身体。

Technology is coming to the rescue of the tortoises.

技术将帮助救助这些乌。

Giant tortoises, however, can't burrow. And they sleep above ground.

然而，巨型陆却没有挖掘的技能。他们在地上冬眠。

Professor Binns paused again, pursing his lips, looking like a wrinkled old tortoise.

宾斯停顿了一下，噘起嘴唇，活像一只皱巴巴的老乌。

The tortoise walks very slowly. The other animals are all cheering for the Tortoise.

而乌走得很慢，其他的动物在为乌加油。

The tortoise said not a word, but toiled on.

乌没有说话，只是继续艰难地向前爬着。

The tortoise lagged behind the rabbit when they recompeted in the race.

重新赛跑时，乌远远地落在子后面。

By the time the tortoise came up, the hare was sleeping.

等到乌赶上来时，他睡着了。

Jonathan the giant tortoise is celebrating his 190th birthday.

巨型乌Jonathan正在庆祝它的190岁生日。

And it's not jus the tortoise that relies on them.

并不是只有乌才用得到它们。

The researchers said they believe the adult female tortoise is more than 100 years old.

研究人员表示，他们认为这只雌性乌已经有100多岁了。

It has long ears and runs very fast, much faster than any tortoise.

它有很长的耳朵，跑得很快，比任何乌快得多。

The hare sits down under a big tree and waits for the tortoise.

野坐在一棵大树下等着乌。

How could a humble tortoise beat the legendary Greek hero Achilles in a race?

一只不起眼的乌怎样才能在赛跑中战胜希腊英雄阿基里斯呢?

Oh, my gosh! The giant Somalian leopard tortoise!

老天！索马里巨型豹！

After a week-long trip, the tortoises landed on Earth by parachute in the Indian Ocean.

经过一周的旅行，两只乌在印度洋用降落伞降落在地球上。

Tortoises are cold-blooded animals. They rely on external temperature to keep themselves warm.

乌是冷血动物。他们依靠外部温度保持自身温暖。

The Bolson tortoise is an endangered species.

墨西哥地鼠陆是濒临灭绝的物种。

A gopher tortoise rolled into a gym in Florida to get it swollen.

一只地鼠滚进了佛罗里达州的一家健身房。