| 单词 | crustacea |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔amphipod〕A small crustacean of the order Amphipoda, such as the beach flea, having a laterally compressed body with no carapace.异脚类，端足目动物：异脚类的一种小甲壳纲动物，如滨海的水蚤，体侧扁，无甲壳美国传统〔antennule〕A small antenna or similar organ, especially one of the first pair of small antennae on the head of a crustacean.小触角，第一触角：小触角或类似的器官，尤指甲壳类动物头部第一对小触角中的一个美国传统〔chela〕A pincerlike claw of a crustacean or an arachnid, such as a lobster, crab, or scorpion.螯：如龙、虾、蟹或蝎等甲壳纲动物蜘蛛纲动物的钳样爪美国传统〔claw〕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美国传统〔crustacean〕Of or belonging to the Crustacea.甲壳纲的美国传统〔crustaceous〕Crustacean.甲壳纲的美国传统〔decapod〕A crustacean of the order Decapoda, such as a crab, lobster, or shrimp, characteristically having ten legs, each joined to a segment of the thorax.十足目动物：十足目的甲壳纲动物，如螃蟹，龙虾，或虾米，其特征是有十足，每一足都与身体中间一节的部分相接美国传统〔exoskeleton〕A hard outer structure, such as the shell of an insect or a crustacean, that provides protection or support for an organism.外骨骼：为生物提供保护或支持的坚硬的外部结构，象甲壳类动物或昆虫的骨盘美国传统〔maxilliped〕One of the three pairs of crustacean head appendages located just posterior to the maxillae and used in feeding.（甲壳动物的）颚足，颚肢：位于甲壳纲动物的上颔骨后面的三对头部附属器官，用于喂食美国传统〔nipper〕A pincerlike part, such as the large claw of a crustacean.螯：象钳的部分，如甲壳类动物的大螯美国传统〔shellfish〕An aquatic animal, such as a mollusk or crustacean, that has a shell or shell-like exoskeleton.贝类，甲壳水生动物：一种具有壳或壳状外骨架的水生动物，例如软体动物或硬壳动物美国传统〔stipes〕The basal segment of the maxilla of an insect or a crustacean.茎节：一个昆虫或甲壳类动物下颚的第二基部的节美国传统〔tail fin〕A fin at the posterior part of the body of a fish, crustacean, whale, or other aquatic animal.尾鳍：鱼、甲壳纲动物、鲸或其它水生动物身体后部的一个鳍美国传统 |
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