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单词 protopteran
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protopteran
protopteran adj. and n. Obsolete rare (a) adj. of or relating to the former order Protopteri (equivalent to the subclass Dipnoi, comprising the lungfishes); (b) n. a fish of the former order Protopteri; a lungfish.Apparently only attested in dictionaries or glossaries.
ΚΠ
1890 Cent. Dict. Protopteran, a. same as protopterous; n. a member of the Protopteri.
extracted from Protopterusn.
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