释义 |
si·re·nia AHDsīˈrēnēə BNC²³⁶²¹³⁺¹ 基本英英例句例句 海牛目
Noun: an animal order including: manatees; dugongs; Steller's sea cowa family of mammals of orderSireniaincluding dugongs and Steller's sea cow哺乳动物中海牛目中一科包括儒艮和斯特勒儒艮 a family of mammals of orderSireniaincluding dugongs and Steller's sea cow.哺乳动物中海牛目中一科包括儒艮和斯特勒儒艮。 The skeleton found in Seven Rivers, Jamaica, is a new genus and species of the order Sirenia, which encompasses the ancestors of modern-day manatees and dugongs. 该化石是在牙买加的七河被发现的,是一个海牛目的新种属,其中包括的祖先现代海牛和儒艮。51ielts |