Jiézhī dòngwù de shēntǐ fēnchéng hěnduō jié, wàimian bāo zhe yì céng jiānyìng de wàigǔgé.
An arthropod has a body made of segments, covered by a hard exoskeleton.
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节 'joint' plus 肢 'limb': animals with jointed legs. It is the largest group in the animal kingdom, taking in insects, spiders, crabs, shrimps and centipedes.
