leath·er·back /ˈlɛðɚ/
大海龜之一種
Leath·er·back n. Zool. A large sea turtle (Sphargis coriacea), having no bony shell on its back. It is common in the warm and temperate parts of the Atlantic, and sometimes weighs over a thousand pounds; -- called also leather turtle, leathery turtle, leather-backed tortoise, etc.
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leatherback
n : wide ranging marine turtle with flexible leathery carapace;
largest living turtle [syn: leatherback turtle, leathery
turtle, Dermochelys coriacea]