单词	anal fin
释义	anal fin noun in fishes : a median unpaired fin on the lower posterior part of the body behind the vent and sometimes confluent with the caudal fin see fish illustration Word History First Known Use 1769, in the meaning defined above
随便看	kvetching kvetchy kvs kvutza kvutzah kvutzahs kvutzas kvutzot kvutzoth kW Kwa kwa national park kwacha kwachas kwae kwaies kwais Kwajalein kwajaleins Kwakiutl kwakiutls Kwalhioqua kwalhioquas Kwando Kwangchowan

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