单词	leatherback
释义	leatherback /ˈlɛðəbak / (also leatherback turtle) noun A very large black turtle with a thick leathery shell, living chiefly in tropical seas. Dermochelys coriacea, the only member of the family Dermochelyidae. In 1988, a leatherback was found measuring nine feet in length and weighing nearly 2,000 pounds.... Scientists estimate in about ten years all leatherback turtles in the Pacific Ocean may be gone. The most distinguishing morphological characteristics of leatherbacks are their large size and dark color.
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