placoderm
导读：placoderm读音音标
英 [\'plækədɜ:m]美 [\'plækəˌdərm]
placoderm意思解释
n.盾皮鱼； 英英释义 placoderm[ \'plækədə:m ]n.fishlike vertebrate with bony plates
英 [\'plækədɜ:m]美 [\'plækəˌdərm]
placoderm意思解释
n.盾皮鱼； 英英释义 placoderm[ \'plækədə:m ]n.fishlike vertebrate with bony plates
placoderm读音音标
英 [\'plækədɜ:m]
美 [\'plækəˌdərm]
placoderm意思解释
n.
盾皮鱼；
英英释义
placoderm[ \'plækədə:m ]
n.
fishlike vertebrate with bony plates on head and upper body; dominant in seas and rivers during the Devonian; considered the earliest vertebrate with jaws
