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家园 那么给你再提供一点英文资料

中文维基的定义没什么问题,“主要”一词也没有用错。

an organism that typically feeds on refuse or carrion
(Merriam-Webster Dictionary)

这个“typically”与中文维基定义里“主要”一词要表达的是一个意思。

Wiki的carrion(腐肉)词条:

Carrion (from the Latin "caro", meaning "meat") refers to the carcass of a dead animal. Carrion is an important food source for large carnivores and omnivores in most ecosystems. Examples of carrion-eaters (or scavengers) include vultures, eagles,[1] hyenas,[2] Virginia Opossum,[3] Tasmanian Devils,[4] coyotes,[5] Komodo dragons,[6] and burying beetles.[7] Many invertebrates like the burying beetles, as well as maggots of calliphorid flies and Flesh-flies also eat carrion, playing an important role in recycling nitrogen and carbon in animal remains.

Carrion begins to decay the moment of the animal's death, and it will increasingly attract insects and breed bacteria. Not long after the animal has died, its body will begin to exude a foul odor caused by the presence of bacteria and the emission of cadaverine and putrescine.

不过,scavenger既可以狭义理解也可以广义理解,我看大多数人倾向于狭义理解(强调“主要”),而你坚持广义理解。如此而已。

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