| 释义 |
pla·co·derm 英ˈplækəˌdɜːm美ˈplækəˌdɝrmAHDplăkʹə-dûrm' BNC¹⁴⁴⁶⁶⁴⁺³Economist⁵³⁵⁸¹⁺¹
基本英英
n.古生盾皮鱼
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 |