invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin
arthropod的用法和样例：
例句
用作名词 (n.)
A chela or similar pincerlike structure on the end of a limb of a crustacean or other arthropod. 钳，螯甲壳类动物或其他节肢动物肢端的螯或相似的钳状构造。
The arthropod species and individuals at the jujube yard with weeds were considerably higher than those without weeds. 有杂草的枣园，节肢动物各类群的物种数明显高于无杂草的冬园，并且优势种不明显。
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