archosaur

archosaur

美 [ɑrt??'s?r] 　英 [ɑ:t??'s?:]

• n.【考古】祖龍
• 網絡主龍類；祖龍類；初龍

詞形變化

復數：archosaurs  

英漢解釋

n.

1. 【考古】祖龍

英英解釋

n.	1. a relatively advanced and active reptile that became predominant on land during the Mesozoic era.