scaup

n.[鸟](=scaup duck)斑背潜鸭,小潜鸭

一种鸟，喙宽扁，短而宽的鸭

名词

1. The scaup is a diving duck that is found in North America.
scaup是一种潜鸭，分布于北美洲。
2. During the winter, large numbers of scaup gather on the lake.
冬天时，大量的scaup会聚集在湖上。