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。
• 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。
• Tarantulas have an exoskeleton ( that means its skeleton is on the outside) like crayfish and crabs.
  狼蛛它有外骨骼（意味着其骨骼是长在外面的）这与小龙虾和螃蟹有点像。
• 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。
• 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。
• At that size, they don't even look like crayfish; they look like lobsters.
  有着这样的尺寸，它们甚至看起来不像小龙虾更像大龙虾。
• Type genus of the Branchiobdellidae: a small worm that lives on the gills or surface of a crayfish attached by a sucker.
  蛭形蚓科的模式属；一种小的蠕虫，靠吸管吸附于小龙虾腮部或表面。
• 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。