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Exoskeleton
01
الهيكل الخارجي, الغلاف الخارجي
the hard outer covering that supports the body of an animal, such as an arthropod
Example
The beetle 's exoskeleton was shiny and tough.
Insects shed their exoskeletons as they grow.
Crustaceans like crabs have exoskeletons made of chitin.
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