1.the largest of the living sea turtles, which has a flexible shell ridged with bone and covered with leathery skin.
1.But, you know, thousands of leatherbacks each year are not so fortunate, and the species' future is in great danger.
但,你知道,每年有数以千计的棱皮龟并没有这么幸运,这个物种的未来面临着极大的危险。
2.Leatherbacks and tuataras are echoes from that era.
大海龟和大蜥蜴就是那个时代的产物。
3.Leatherbacks are the world's largest turtles, topping the scales at more than 2, 000 pounds (900 kilograms).
革龟是世界上最大的乌龟,重量超过2,000磅(900公斤)。