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.
| 单词 | protobird |
| 释义 | protobirdnoun (An informal name for) a hypothetical primitive bird or an animal regarded as forming an evolutionary link between fossil reptiles and fossil birds. Origin |
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