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单词 protobird
释义

Definition of protobird in English:

protobird

noun

  • (An informal name for) a hypothetical primitive bird or an animal regarded as forming an evolutionary link between fossil reptiles and fossil birds.

Origin

1970s; earliest use found in Quarterly Review of Biology.

Definition of protobird in US English:

protobird

noun

  • (An informal name for) a hypothetical primitive bird or an animal regarded as forming an evolutionary link between fossil reptiles and fossil birds.

Origin

1970s; earliest use found in Quarterly Review of Biology.
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更新时间：2025/6/18 19:46:11