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

• Cloning and Sequence Analysis of Defensin Genes from Musca domestica Larva
  家蝇幼虫防御素基因的克隆和序列分析
• Adult phototaxis and first instar larva eat rotten organic matter.
  成虫有趋光性，初孵幼虫喜食已腐烂的有机质。
• Tadpole-shaped parasitic larva of a trematode worm; tail disappears in adult stage.
  烃源岩已进入成熟阶段，处于生油高峰期。蝌蚪形的吸虫类寄生幼虫；成体阶段尾巴消失。
• Antibacterial Characterization and Component of the Antibacterial Proteins in Musca domestica Larva by Different Inducements;
  目的观察不同诱导源诱导家蝇幼虫产生抗菌蛋白的抗菌特性及其蛋白组分。
• Larva of potato moth; mines in leaves and stems of e.g. potatoes and tobacco.
  马铃薯的茎块出现疣肿。马铃薯蛾子的幼虫；在例如马铃薯和烟草的叶子和杆茎上钻洞。
• 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
• Moth larva that eats foliage of beets and vegetables.
  蛾子的幼虫，吃甜菜和蔬菜的叶子。
• A larva metamorphose into a chrysalis and then into a butterfly.
  幼虫变为蛹，然后再变成蝴蝶。
• The haemolymph cation levels increased significantly during the active feeding period of the larva.
  在幼虫活跃取食期间，血淋巴中阳离子水平显著提高。
• 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。