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

• A larva of an insect with incomplete metamorphosis ( as the dragonfly or mayfly).
  处于未完全发育截断的昆虫的幼虫（如蜻蜓或蜉蝣）。
• Large green white-striped hawkmoth larva that feeds on tomato and potato plants; similar to tobacco hornworm.
  大型的绿色带白条的天蛾幼虫，吃番茄和马铃薯；类似于烟草天蛾幼虫。
• 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。
• From egg to larva to puparium to adult.
  从卵到幼虫到蛹再到成虫。
• 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。
• A larva metamorphose into a chrysalis and then into a butterfly.
  幼虫变为蛹，然后再变成蝴蝶。
• Larva of a migratory American noctuid moth; destroys grasses and small grains.
  一种迁移类美洲夜蛾的幼虫；破坏草地和小谷类。
• 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。
• 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。
• 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。