merganser
n. 秋沙鸭
近义词：sheldrake，sawbill，
英英释义
Noun
- large crested fish-eating diving duck having a slender hooked bill with serrated edges
例句
用作名词(n.)
- The hooded merganser is a rare and reclusive duck found only in North America.冠秋沙是稀有鸟种，只有在北美地区被发现。