Scoter

[skәutә]

解释:

(noun.) large black diving duck of northern parts of the northern hemisphere.

凯瑟琳编辑--From WordNet

解释:

(n.) Any one of several species of northern sea ducks of the genus Oidemia.

艾娜录入

解释:

n. a genus of northern sea-ducks with bill gibbous at the base.

校对:诺艾尔