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单词 excretion
释义

excretion

/ɪkˈskriːʃ(ə)n / /ɛkˈskriːʃ(ə)n/
noun [mass noun]
1(In living organisms and cells) the process of eliminating or expelling waste matter.The bound Hg is then removed from the organism by natural excretion....
  • In the eukaryotic cell there are a number of places where specialized tasks, such as digestion of nutrients and excretion of wastes, take place.
  • There is little evidence of virus excretion in urine or faeces.
1.1 [count noun] A product excreted by a living organism or cell: bodily excretions...
  • Infected dogs also shed the virus through bodily secretions and excretions.
  • They're in a big apartment building which looks like an English housing estate from the outside but is clean, the lifts work, and there are no bodily excretions in sight or smell.
  • Overnight, the margin for error was reduced to almost zero, since nobody wants to overtake his own bodily excretions as he reaches terminal velocity.

Origin

Early 17th century: from French excrétion or Latin excretio(n-), from excernere 'sift out' (see excrete).

Rhymes

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更新时间:2024/12/23 18:06:09