larva 基本解释
- n. [水产] 幼体，[昆] 幼虫
- n. (Larva)人名；(芬、捷)拉尔瓦
larva 词态变化
复数: larvae;形容词: larval;
larva 中文词源
larva 幼虫来自拉丁语larva,鬼魂，面具，词源同lares,家神。来自瑞典植物学家林奈的命名，因幼虫如成虫的面具而得名。
larva 英文词源
- larva (n.)
- 1650s, "a ghost, specter," from Latin larva (plural larvae), earlier larua "ghost," also "mask;" applied in biological sense 1768 by Linnaeus because immature forms of insects "mask" the adult forms. On the double sense of the Latin word, Carlo Ginzburg, among other students of mythology and folklore, has commented on "the well-nigh universal association between masks and the spirits of the dead."
larva 英文释义
- 1. 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
larva 双语例句
- 1. A larva metamorphose into a chrysalis and then into a butterfly.
- 幼虫变为蛹,然後再变成蝴蝶.
来自《简明英汉词典》
- 2. The larva hatches out and lives in the soil.
- 幼虫孵化之后就在土壤里生活.
来自《简明英汉词典》
- 3. A caterpillar is the larva of a butterfly.
- 毛虫是蝴蝶的幼体.
来自辞典例句
- 4. The tadpole is the larva of the frog.
- 蝌蚪是蛙的幼体.
来自辞典例句
- 5. Important changes in the embryo or larva will probably entail changes in the mature animal.
- 胚胎与幼体的重要的变异,或将引起动物成体的变异.
来自辞典例句
larva 实用场景例句
- [只用于名词前]an insect in its larval stage
- 处于幼体阶段的昆虫
牛津词典
- The eggs quickly hatch into larvae.
- 虫卵很快孵化成幼虫。
柯林斯高阶英语词典
- ...a dragonfly larva.
- 蜻蜓幼虫
柯林斯高阶英语词典
- The result of the same insecticide against different popution instar larva of Cnaphalocrocis medinalis were difference.
- 同一杀虫剂对不同地区的稻纵卷叶螟幼虫的防治效果有差异.
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- Known noticanthiforms don't change much in size during the metamorphosis from larva to adult.
- 在从幼年到成年的变形过程中,这种鱼的大小不会有很大改变.
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- The parasitic larva of a trematode worm, having a tail that disappears in the adult stage.
- 蝌蚪形的吸虫类寄生幼虫; 成体阶段尾巴消失.
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- Then, last year, he was sent an unusual fish larva.
- 随后, 也就是在去年, 他又找到一条鱼仔.
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- Human sparagnosis is a rare parasitic disease infected by plerocercoid larva ( sparganum ) of Spirometra species.
- 摘要人体幼裂头绦虫病是一种由裂头绦虫之长尾幼虫所感染的罕见寄生虫病.
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- I think this worm is a larva of a butterfly.
- 我觉得这虫子是蝴蝶的幼虫.
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- Prevention and treatment: spray in space ; eliminate pests in breeding area; larva prevention and treatment.
- 防治: 空间弥漫喷洒, 孳生地处理,幼虫防治.
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- Plenty are the villi in the small intestine of the larva of the 23 rd day.
- 23日龄后的仔鱼,小肠形成较丰富的绒毛.
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- To observe mosquito larva density degression rate , both hydrophytes and fishes death rate.
- 同时观察水生植物和鱼类的死亡等影响因素.
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- 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.
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- In his palm lay a small larva, a gladiator in the second stage of its life.
- 他的手掌上有只很小的若虫, 是一只螳,正值生命的第二阶段.
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- 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.
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- A larva metamorphose into a chrysalis and then into a butterfly.
- 幼虫变为蛹,然後再变成蝴蝶.
《简明英汉词典》
- 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.
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- The egg hatches into a larva ( caterpillar ).
- 卵孵化成了幼虫 ( 毛虫 ).
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- The larva hatches out and lives in the soil.
- 幼虫孵化之后就在土壤里生活.
《简明英汉词典》
- Results The morphological characters of the larva of N . indica were described and figured.
- 结果描述了印度翠蝇幼虫的形态特征,并与绿翠蝇、蓝翠蝇和大洋翠蝇幼虫进行了比较.
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- ON THE MORPHOLOGY OF LARVA OF IXODES SINENSIS TENG ( ACARI: IXODIDAE )
- 中华硬蜱幼虫的形态 ( 蜱螨亚纲: 硬蜱科 )
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- A magnified shot shows the head of a tiger swallowtail butterfly larva.
- 这个放大的照片显示一只凶猛风蝶幼虫的头部.
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- Objective Through experiment on animals to explore the existence of larva trichinella spiralistrichinella spiralis in advance.
- 目的:通过动物实验,进一步探索旋毛虫在本地的存在情况,以期防患于未然.
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- The present invention relates to water treatment, and especially supersonic midge larva killing method for water.
- 超声波杀灭摇蚊幼虫的方法,它涉及一种水处理方法, 具体涉及一种利用超声波杀灭水中摇蚊幼虫的方法.
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- The emergence of an adult insect from a pupal case or an insect larva egg.
- 在一些昆虫发育的不活跃时期,处于幼虫期和蛹期之间的.
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- Larva of the wasp f with 4 instars.
- 幼虫共4龄,咀食寄主组织,只残留头壳,老熟幼虫作茧越冬.
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- Backswimmer hunts larva . Now he's caught it.
- 抓住了. 水蜘蛛成功了.
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- Objective : To explore the possibility of immune prevention of larva migrans of Toxocara canis.
- 目的: 探索犬弓首线虫幼虫移行症免疫预防的可能性.
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