mergansersCOCA¹³⁸⁶⁶⁴BNC⁸²⁵³⁰⁺¹⁰ 基本例句 n.秋沙鸭merganser的名词复数原型merganser的复数 About70 Chinese mergansers choose to spend winter here. 约有70只中华秋沙鸭选择在这里越冬。 yeeyan Keepers were feeding the beavers and hooded mergansers a species of duck when the earthquake hit. 地震来袭时，饲养员正在喂海狸和镜冠秋沙鸭一种鸭子。 yeeyan