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

• The tests also indicated that environmental factors, such as temperature, light density, directly affected development and maturation of crayfish with the change of carapace coloration.
  同时，温度和光照直接影响克氏原螯虾的成熟发育，使其体色发生相应的变化。
• 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。
• 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。
• They can go it alone, jig for crayfish, and swing from ropes along the bank.
  他们可以独自去小溪，在水中活蹦乱跳地捉小虾，在岸边系上绳子荡秋千。
• 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。
• 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。
• We ate jambalaya and at the weekend they served mountains of crayfish accompanied with rice. It was really delicious.
  我们吃的是什锦菜肴，在周末，他们还会供应成堆的小龙虾和米饭，非常美味。
• To this end, it is very necessary to in-depth study of Qianjiang City crayfish industry.
  为此，有必要对潜江市小龙虾产业的发展进行深入的研究。
• Unfortunately, we now have our own invasive-species crayfish in this area mostly red swamp crayfish from the southern United States, he says.
  很不幸，我们这也来了一群不速之客，大多数是来自美国南部的红沼泽螯虾。