Black-legged Kittiwake

• n. 三趾鸥(鸥科)

Black-legged Kittiwake的用法和样例：

例句

用作名词 (n.)

1. Shortish, greenish bill and black legs indicate this species.
   嘴短偏绿色而脚黑色正是三趾鸥的特徵。