帮我用简单英语写一篇关于介绍海龟的作文语言要简洁 大约30个单词就行 单词要简单点

In our forward the survival of sea turtles 8: The leatherback turtle, red-headed turtle, hawksbill, and olive green turtle scales, sea turtles, green sea turtles, black sea turtle (turtle in the Pacific Li) peace turtle back. All sea turtles are listed as endangered species.
As the young male sea turtles and sea turtles will not come ashore, it is difficult to know to survive in the wild, the number of sea turtles. The number of sea turtles is generally calculated on the basis of their hatching rate.
Most of the survival of sea turtles in the relatively shallow coastal waters in the Gulf, the lagoon, coral reefs and into the mouth of the sea. We usually warm and comfortable around the world found that the sea turtles.
And different types of different groups within the same species of sea turtles have their own habits of movement. Some sea turtles swim to a few kilometers away turtle nesting and feeding young. The leatherback turtle have to move far, they have to go to 5,000 km away nesting beaches. The black turtle is like in their distribution area and the southern tip of the northernmost breeding and feeding young turtles

Must say the giant sea turtle, then on non-world in largest-scale sea turtle---The green turtle blue not was. [Species name] Green turtle [Other name] Leather back turtle, leathery turtle, seven green turtles, junk turtle, swallow turtle [Latin systematic name] Dermochelys coriacea [English name] Leatherback Turtle [Branch is classification] Reptilia - turtle turtle item - green turtle branch The green turtle is in the world in the turtle turtle class build biggest one kind, being possible be called “the great turtle”, body long between 200-230 centimeter, the body weight is generally 100-200 kilogram.It is said the biggest body length is 250 centimeters, the body weight amounts to 300 kilograms, also has reaches 800 kilograms views.Its forehead, the four limbs and the body all replied as follows smooth leather nature skin, does not have the cutin shield piece, the carapace ossein shell to assume by several hundred size ataxia polygon ossiculum board crustification, in which biggest bone shape of strip becomes 7 regular vertical lines bank or ridge between fields, therefore acquires fame, also some people call it the leathery turtle.These vertical bank or ridge between fields extends behind the body is V-shaped buttocks, the body side two vertical lozenges becomes the ataxia the armor reason.The abdomen armor ossein shell crustification ossiculum board, by many reliably has not inlaid in the compact texture the ossiculum constitutes 5 vertical lines, an in which central committee line passes in the umbilical cord place splits.Its mouth assumes the uncinus, specially in a big way, cannot shrink in the carapace.The four limbs assume the oar shape, does not have the fingernail, the foreleg phalanx to be specially long.The bodily back for the dark brown or the black, decorates take the yellow or the white floccosoids, the thoracic and abdominal area as an iron grey.

Leatherback sea turtles and tortoises Branch of the Division of the sea turtle habitat collectively.To adapt to aquatic life,into a fin-like limbs,and conducive to swimming.In general the breeding season of water from the shore.Female turtle eggs will be dug in the sand in the cave.Leatherback turtle is the largest of the existing turtle species,about 2.1 meters (7 feet) and weighing about 540 kilograms (1200 pounds).Two fins before the end of the span between about 2.7 meters.Maximum body length of up to 3 meters and weighing about 900 kg.A bone from the back plate,covered with dark brown or black leather quality a little skin.7 There are obviously on the back of the vertical edge,abdomen 5.Habitat in the world's oceans,than swimming,miscellaneous food.