crayfish

英 [ˈkreɪfɪʃ]

美 [ˈkreɪfɪʃ]

n.  淡水螯虾; 海水大龙虾

复数：crayfishes　

BNC.33846 / COCA.23008

牛津词典

noun

• 淡水螯虾；海水大龙虾
  an animal like a small lobster , that lives in rivers and lakes and can be eaten, or one like a large lobster , that lives in the sea and can be eaten

柯林斯词典

• 淡水螯虾
  Acrayfishis a small shellfish with five pairs of legs which lives in rivers and streams. You can eat some types of crayfish.

英英释义

noun

• large edible marine crustacean having a spiny carapace but lacking the large pincers of true lobsters
  Synonym:spiny lobsterlangousterock lobstercrawfishsea crawfish
• small freshwater decapod crustacean that resembles a lobster
  Synonym:crawfishcrawdadcrawdaddy
• tiny lobster-like crustaceans usually boiled briefly
  Synonym:crawfishcrawdadecrevisse
• warm-water lobsters without claws
  Synonym:spiny lobsterlangousterock lobster

双语例句

• I could not believe the number of crayfish that were in this part of the river.
  我简直无法相信这里有多少小龙虾。
• In the southeastern United States, which is afreshwater diversity hotspot, almost 40% of molluscs and crayfish could bewiped out owing to the effects of dams and pollution.
  在美国的东南部，那里有很多的淡水物种，由于受水坝和污染的影响，几乎40%的软体动物和淡水龙虾可能会被淘汰。
• Study on Flavoring Preparation and Astaxanthin Extraction of Crayfish Head
  克氏原螯虾头制备风味料和提取虾青素的研究
• Like this blind cave crayfish, scientists determined that they can live here for more than a hundred years, 20 times longer than their surface cousins.
  比如这种洞穴小龙虾，科学家们相信它们能活一百多年，寿命是水面上生活的兄弟姐妹的20倍。
• This paper first elaborates the crayfish resources and biological characteristics, the general situation of crayfish aquaculture both in China and abroad.
  本文首先阐述了小龙虾的资源和生物学特征，回顾了国内外的小龙虾养殖业的概况。
• The crabs at the Hungtse Lake crab farms are fed on organic feed, which include the lake's own seaweed, small fish, small crayfish, and even some corn and shrimp.
  洪泽湖蟹农以全天然饲料喂蟹，它们吃的是养在湖中的水草、螺蛳、小杂鱼，还有蟹农投放的粟米和小虾等。
• The North American signal crayfish, which had been introduced to English waters decades ago and spread steadily north, were taking over.
  北美标志性的小龙虾是在数十年前被引入英国境内，并且向北蔓延最后占据了水域。
• Clinical signs of bacteremia in freshwater crayfish are non-specific and typically are limited to increasing apathy and paralysis immediately prior to death.
  临床上淡水螯虾的菌血症是非特异性的和典型精神呆滞和瘫痪并立刻死亡。
• Preliminary Study on the Antibacterial Mechanism of Chitosan from Red Swamp Crayfish
  克氏螯虾壳聚糖抗菌机制的初步研究
• Histological method has been used to study tha antennal gland of crayfish Procambarus clarRii.
  本文利用石蜡切片技术对克氏原螯虾触角腺进行了组织学研究。