razorbill
/ˈreɪzəbɪl/noun
1- a black-and-white auk with a deep bill that is said to resemble a cut-throat razor, found in the North Atlantic and Baltic Sea刀嘴海雀（常见于北大西洋和波罗的海）。
1.1
- Alca torda, family Alcidae.拉丁名Alca torda, 海雀科。