nereis
'niriis
基本解释
n. [动] 沙蚕属
英文释义
n. A Nereid. See Nereid.
n. A genus, including numerous species, of marine chaetopod
annelids, having a well-formed head, with two pairs of eyes, antennae,
four pairs of tentacles, and a protrusile pharynx, armed with a pair of
hooked jaws.
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