V2EX bioaccumulate

Bioaccumulate

释义 Definition

(使)生物累积:指某种化学物质(如重金属、农药等)在生物体内随时间逐渐积聚,通常因为吸收速度大于代谢或排出速度。(也常见名词形式 bioaccumulation “生物累积”。)

发音 Pronunciation

/baokjumjlet/

例句 Examples

Fish can bioaccumulate mercury over time.
鱼类会随着时间推移在体内生物累积汞。

Persistent pesticides may bioaccumulate in aquatic organisms, eventually affecting predators higher up the food chain.
某些持久性农药可能在水生生物体内生物累积,最终影响食物链上更高营养级的捕食者。

词源 Etymology

由 **bio-**(“生命的、生物的”)+ accumulate(“积累、堆积”)构成,直译就是“在生物体内积累”。该词常用于环境科学与生态毒理学语境,用来描述污染物在个体生物体内逐步增加的过程。

相关词 Related Words

文学作品 Literary Works

  • Rachel Carson, Silent Spring(《寂静的春天》):讨论农药等化学物质在生态系统中的累积与危害时常使用相关术语(现代版本与相关评论中可见 bioaccumulate/bioaccumulation 的表述)。
  • Aldo Leopold, A Sand County Almanac(《沙乡年鉴》):虽更偏自然写作与生态伦理,但在后续生态学语境的引用与讨论中,常与“污染物在生物体内累积”的概念并置(具体用词在不同版本/注释与学术引用中出现差异)。
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