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hesperornis
释义
WordReference Random House Unabridged Dictionary of American English © 2024
hes•per•or•nis
(hes′pə rôr
′
nis),
USA pronunciation
n.
Paleontology
a toothed aquatic bird of the extinct genus
Hesperornis,
fossils of which are found in rocks of Cretaceous age in Kansas, having the rear legs modified for swimming and reaching a length of more than 4 ft. (1.2 m).
Greek
Hésper
(
os
)
Hesperus
+
órnis
bird
Neo-Latin (1872)
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更新时间:2025/9/20 2:50:45