sirenia是什么意思_sirenia的中文翻译|发音|用法|例句

海牛目

n. pl. An order of large aquatic herbivorous mammals,

including the manatee, dugong, rytina, and several fossil genera.

1

sirenian tusked mammal found from eastern Africa to Australia

2

sirenian mammal of tropical coastal waters of America

3

A genus of large edentulous sirenians, allied to the dugong and manatee, including but one species (R

sirenia