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

• 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。
• 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。
• 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。
• 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。
• 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。
• Crayfish looks like langostines but is not as tasty.
  漓蛄长得很像龙虾，但味道可没有龙虾鲜美。
• But in Scottish streams and lochs, these creatures are intruders. American crayfish may be destroying the catch.
  然而在苏格兰，这种生物却是入侵者，美国小龙虾可能会毁掉苏格兰的生态。
• 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。
• 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。
• 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。