predation

英 [prɪˈdeɪʃn]

美 [prɪˈdeɪʃn]

n.  (动物的)捕食，捕猎行为

复数：predations　

BNC.27521 / COCA.15336

牛津词典

noun

• （动物的）捕食，捕猎行为
  the act of an animal killing and eating other animals

英英释义

noun

• the act of preying by a predator who kills and eats the prey
• an act of plundering and pillaging and marauding
  Synonym:depredation

双语例句

• Predation test shows that a mite eats on average two eggs of housefly per day and four mites consume on average one first instar fly larva per day.
  每只雌螨每天平均消耗2个蝇卵，每4只雌螨每天平均消耗1条1龄蝇类幼虫。
• And third, the uneven pattern of otter decline is better explained by the orca predation theory than by the pollution theory.
  第三，海獭数量变化的不均衡性恰好表明了逆戟鲸捕食理论比污染理论更合理。
• The predation and spatial heterogeneity on Harmonia axyridis adult to Myzus persicae were determined.
  测定异色瓢虫成虫对桃蚜的捕食功能和空间异质性。
• It is particularly important in winter when the risks of predation are high and just one day without food can make the difference between life and death for small birds.
  特别是冬季，捕食风险很高，小鸟就一天没有吃的，就得面临被饿死的境地。
• The course covers productivity and biogeochemical cycles in ecosystems, trophic dynamics, community structure and stability, competition and predation, evolution and natural selection, population growth and physiological ecology.
  课程包含生态系之生产力与生物地质化学循环、营养动力学、群落结构与稳定性、竞争与捕食、演化与天择、族群成长，及生理生态学。
• A distributed delay nonautonomous predation system with feedback controls is investigated, conditions are obtained for the persistence of this system.
  研究了一类具有反馈控制和连续时滞的两种群非自治捕食系统，利用微分不等式给出了系统持续生存的条件。
• Given that China wasn't too long ago an isolated, impoverished backwater, vulnerable to predation from without and collapse from within, becoming the second most important pillar of the international system would scarcely constitute a 'loss.'
  鉴于中国在不久前还是一个受孤立的贫穷落后的国家、易于遭到外部掠夺并容易从内部分崩离析，成为国际体系的第二大支柱肯定算不上失败。
• Effect on population dynamics of reed voles Microtus fortis by food, predation and interspecific competition
  食物、捕食和种间竞争对东方田鼠种群动态的作用
• This is part of a larger Government programme to reduce Cormorant predation on commercial fish in the fishponds around Mai Po and Inner Deep Bay.
  这样做是为了减少鸬鹚在米埔和内后海湾邻近的商业鱼塘觅食。
• Also, the competitors and predators of a species often don't reach an island, but competition and predation in the deep sea can be intense.
  竞争者和动物天敌通常也不会到达这个小岛，但是深海的竞争和掠食却很猛烈。