Beak

A gull's upper mandible can flex upwards because it is supported by small bones which can move slightly backwards and forwards.

Position of vomer (shaded red) in neognathae (left) and paleognathae (right)

The beak, bill, or rostrum is an external anatomical structure of birds which is used for eating and for grooming, manipulating objects, killing prey, fighting, probing for food, courtship and feeding young. The terms beak and rostrum are also used to refer to a similar mouthpart in some Ornithischian dinosaurs, monotremes, cephalopods (see Cephalopod beak), cetaceans, billfishes, pufferfishes, turtles, Anuran tadpoles and sirens.

单词	rhinotheca
释义	rhinotheca /ˌrainə'θi:kə/ 英汉-汉英词典鼻鞘词组 \| 习惯用语您要查找的是不是： another adj. 另外的；不同的；又一，另一 pron. 另一个；又一个 apothecary n. 药剂师；药店网络短语: rhinotheca 鼻鞘英语百科 Beak The beak, bill, or rostrum is an external anatomical structure of birds which is used for eating and for grooming, manipulating objects, killing prey, fighting, probing for food, courtship and feeding young. The terms beak and rostrum are also used to refer to a similar mouthpart in some Ornithischian dinosaurs, monotremes, cephalopods (see Cephalopod beak), cetaceans, billfishes, pufferfishes, turtles, Anuran tadpoles and sirens.
随便看	Marc Antony marcantony Marcapata Marcapomacocha Marca, Pta.de marcar marcarelli Marcaria marcasin marcasine marcasite marcasite structure marcasitic marcasitical marcassin marcassins marcassite marcatissimo marcato marcatt marcatte marc authority format Marc Blitzstein marc blitzsteins marc brandy

rhinotheca /ˌrainə'θi:kə/

您要查找的是不是：

网络短语:

Beak