ostracoderms

美 　英

• 網(wǎng)絡(luò)甲胄魚；甲青魚類動(dòng)物；甲胄魚類

詞形變化

復(fù)數(shù)：ostracoderms  

英漢解釋

n.	1. an extinct, jawless, mainly freshwater fish, dating from the Silurian and Devonian periods, that had a flat body encased in a layer of protective bony plates and scales

例句

All animals, as a general rule, are provided with eyes, excepting the ostracoderms and other imperfect creatures;

所有的動(dòng)物，通常來說，都有眼睛，除了甲胄魚和其它未進(jìn)化的生物；