crustacean

英 [krʌˈsteɪʃn]

美 [krʌˈsteɪʃn]

n.  甲壳纲动物(如螃蟹、龙虾和褐虾)

复数：crustaceans　

TOEFL

BNC.25694 / COCA.20077

牛津词典

noun

• 甲壳纲动物（如螃蟹、龙虾和褐虾）
  any creature with a soft body that is divided into sections, and a hard outer shell. Most crustaceans live in water. Crabs , lobsters and shrimps are all crustaceans .

柯林斯词典

• 甲壳纲动物(如螃蟹、龙虾和褐虾)
  Acrustaceanis an animal with a hard shell and several pairs of legs, which usually lives in water. Crabs, lobsters, and shrimps are crustaceans.

英英释义

noun

• any mainly aquatic arthropod usually having a segmented body and chitinous exoskeleton

adj

• of or belonging to the class Crustacea
  Synonym:crustaceous

双语例句

• Polyploid Induction and Sex Control in Several Economically Important Crustacean Species
  重要水产养殖虾蟹类的多倍体诱导及性别控制研究
• Meat of edible aquatic invertebrate with a shell ( especially a mollusk or crustacean).
  可食用的带壳水生无脊椎动物的肉（尤其是软体动物或甲壳类动物）。
• Enclosure experiment is carried out to study impacts of filter-feeding silver carp on crustacean community.
  采用围隔实验的方法研究滤食性鲢鱼对浮游甲壳动物群落的影响。
• A giant isopod is a crustacean related to prawns and crabs, which are thought to be abundant in cold, deep waters of the Atlantic, Pacific and Indian Oceans.
  巨型等足目动物是一种甲壳类动物，与明虾和螃蟹存在血缘关系。据悉，这种动物大量存在于大西洋、太平洋以及印度洋的冷深水区。
• A striking deep sea-fish called an amphipod crustacean reveals the diversity of sea creatures under the belly of Australia's deep sea world.
  ，这种片脚甲壳类海洋生物有着惊人的外貌，它的发现体现了澳大利亚深海动物的多样性。
• Small freshwater decapod crustacean that resembles a lobster.
  小型淡水十足甲壳动物，象龙虾。
• Small amphipod crustacean having a grotesque form suggestive of the praying mantis; found chiefly on seaweed.
  小型片足甲壳动物，其形状怪异让人联想起螳螂；主要见于海草上。
• Seasonal composition of crustacean species in the East China Sea and Yellow Sea
  黄、东海底栖性甲壳动物种类组成的季节变化
• A hard bony or chitinous outer covering, such as the fused dorsal plates of a turtle or the portion of the exoskeleton covering the head and thorax of a crustacean.
  硬壳，背甲，头胸甲一种硬骨质或甲壳质外部覆盖物，如海龟融为一体的背部板形器官，或甲壳纲动物覆盖头胸部的外骨骼部分。
• "Deadliest Catch" is perhaps America's major portal into the world of Alaskan crab fishing: The unshaven, nicotine-stained men out braving the stormy Pacific to bring us hunks of fresh crustacean.
  记录片《致命捕捞》也许是了解阿拉斯加州捕蟹世界的主要入口：不刮胡子、满身带有尼古丁痕迹的男人们，勇敢地来到太平洋的暴风骤雨中，给我们带来丰厚而又新鲜的甲壳类海产品。