larva

英 [ˈlɑːvə]

美 [ˈlɑːrvə]

n.  幼虫; 幼体

复数：larvae　

TOEFLGREIELTSTEM8医学

Collins.1 / BNC.7470 / COCA.9123

牛津词典

noun

• 幼虫；幼体
  an insect at the stage when it has just come out of an egg and looks like a short fat worm

柯林斯词典

• N-COUNT 幼虫；幼体
  Alarvais an insect at the stage of its life after it has developed from an egg and before it changes into its adult form.
  1. The eggs quickly hatch into larvae.
     虫卵很快孵化成幼虫。
  2. ...a dragonfly larva.
     蜻蜓幼虫

英英释义

noun

• the immature free-living form of most invertebrates and amphibians and fish which at hatching from the egg is fundamentally unlike its parent and must metamorphose

双语例句

• The antiviral activity of larva hemolymph offers a new way to find new antiviral drugs.
  家蝇幼虫血淋巴中存在的抗病毒活性物质，为寻找新的抗病毒药物提供了方向。
• The larva of the housefly and blowfly commonly found in decaying organic matter.
  家蝇和大苍蝇的幼虫，常见于腐烂的物质。
• Grayish-brown moth whose larva is the potato tuberworm.
  灰褐色的蛾子，其幼虫是马铃薯块茎虫。
• The behavior of identification and policing effect of eggs and larva in Apis cerana cerana by artificial transfer eggs was researched.
  以中华蜜蜂为研究材料，用人工转卵的方法，系统研究了中华蜜蜂蜂群间工蜂对卵及幼虫的辨认与监督行为特性。
• Slender transparent larva of eels and certain fishes.
  鳗鲡和几种特定的鱼的细长透明的幼虫。
• The impact of diapause on the protein and nucleic acid of Musca domestica larva
  滞育对家蝇幼虫蛋白质和核酸的影响
• To define the antiviral activity of M.domestica larva hemolymph.
  目的确定家蝇幼虫血淋巴的抗病毒作用。
• From egg to larva to puparium to adult.
  从卵到幼虫到蛹再到成虫。
• Proteins extraction from the larva of Dendrolimus punctatus with a buffer solution method was studied.
  采用缓冲液法对马尾松毛虫幼虫中的蛋白质进行提取研究。
• Bacillus thuringiensis israelensis produce crystal proteins which can be converted into toxins in the gut of the mosquito larva.
  苏云金杆菌会产生蛋白质结晶体，而结晶体在蚊子幼虫的肠内化为毒素。