Learn English free online - how to pronounce word in English - English Learning Online- www.pronounceword.com
Osteostracan
n.
extinct jawless fish of the Devonian with armored head
同义词:
cephalaspid
网络释义
短语
专业释义
英英释义
Osteostracan
n.extinct jawless fish of the Devonian with armored head 同义词:cephalaspid
英汉双解大词典