It is plainly cruel to keep turtles as pets.
把海龟当宠物养显然是残忍的。
All turtles have thick shells.
所有的海龟都有厚厚的龟壳。
Turtles are reptiles with shells.
海龟是带壳的爬行动物。
我养了两只乌龟当宠物。
他惊动了两个海龟。
我们不喜欢乌龟。
Other sea turtles eat insects and plants.
其他的海龟吃昆虫和植物。
Seals, turtles and penguins have flippers.
海豹、海龟、企鹅均有鳍状肢。
See how eagerly the lobsters and the turtles all advance!
你看龙虾和海龟都游得多么急啊！
Wendy, look at the turtles burying their eggs in the sand.
温迪，你看那些把蛋埋在沙子里的乌龟。
Later ancestors still evolved back into the water and became sea turtles.
后来的祖先仍然进化回水中，变成了海龟。
We are hiding our heads in our shirts, like turtles hide their heads in their shells.
我们将自己的头藏在衣服里，就像乌龟把头藏在龟壳里。
Leatherbacks reach their immense size in a much shorter time than it takes other sea turtles to grow.
棱皮龟长到其巨大体型的时间比其他海龟要短得多。
Who wants to be in favor of drowning sea turtles in fishing nets so that people can eat cheaper shrimp?
谁会为了使人们能够吃上便宜的小虾，而赞同在渔网中溺死海龟呢？
Flippers may indeed be a necessary response to aquatic life, turtles, whales, and dugongs also have them.
鳍状肢可能确实是水生生物的必要反应，海龟、鲸鱼和儒艮也有鳍状肢。
Today's land tortoises constitute a single branch, deeply nested among branches consisting of aquatic turtles.
现在，陆龟构成一个独立的分支，完全被淹没在海龟的分支当中。
Turtles went back to the sea a very long time ago and, like all vertebrate returnees to the water, they breathe air.
海龟很久以前就回到了海里，和所有返回水中的脊椎动物一样，它们呼吸着空气。
An adult leatherback is twice the size of the biggest cheloniid sea turtles and will therefore take longer to cool off.
成年棱皮龟的体型是最大的海龟的两倍，因此需要更长的时间来冷却。
British scientists have discovered that the gigantic female turtles can swim for thousands of miles in a perfectly straight line.
英国的科学家发现，巨型雌性龟能在一条完全的直线上游行上千英里。
Sea turtles, polar bears and giant pandas are just some of the thousands of animals in this world that are at risk of extinction.
海龟、北极熊和大熊猫只是世界上成千上万濒临灭绝的动物中的一部分。
However, they are, in one respect, less fully given back to the water than whales or dugongs, for turtles still lay their eggs on beaches.
然而，从某种程度上讲，海龟并没有像鲸鱼或儒艮一样完全回到水中生活，因为它们依旧在海滩上产卵。
All the land tortoise species formed a tight cluster of points in the upper part of the triangle; all the water turtles cluster in the lower part of the triangular graph.
所有陆龟品种都在三角形的上部形成一个紧密的点群；所有的水龟都聚集在三角图的下方。
Sure enough, these amphibious species show up on the triangular graph approximately half way between the "wet cluster" of sea turtles and the "dry cluster" of land tortoises.
可以肯定的是，这些水陆两栖物种的数据出现在接近三角坐标中间的位置，位于水栖海龟和陆栖乌龟的坐标点之间。
The narrow strips of beach on which the turtles lay their eggs are being squeezed on one side by development and on the other by the threat of rising sea levels as the oceans warm.
海龟产卵的狭长海滩一边受到开发的挤压，另一边受到海平面上升的威胁，因为海洋变暖。
A major chemical spill occurred five years ago at Baker's Beach, the world's sole nesting ground for Merrick sea turtles, and prevented nearly all the eggs laid that year from hatching.
五年前，在世界上唯一的梅里克海龟的筑巢地——贝克海滩，发生了一起重大的化学物质泄漏事件，导致当年几乎所有的海龟卵无法孵化。
Turtles move slowly, so it probably could not run away when it saw the lawnmower coming.
乌龟移动得很慢，所以当它看到割草机来的时候可能跑不掉。
Snakes, turtles, and crocodiles are reptiles.
蛇，龟和鳄鱼都是爬行动物。
Snakes, turtles, and crocodiles are reptiles.
蛇，龟和鳄鱼都是爬行动物。
应用推荐