英
['plækədɜːm]
美
['plækəˌdərm]
new
placoderm的英文翻譯是什麼意思,詞典釋義與在線翻譯:
英英釋義
Noun:
-
fish-like vertebrate with bony plates on head and upper body; dominant in seas and rivers during the Devonian; considered the earliest vertebrate with jaws
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