1.
This duck is a cross between a wild duck and an ordinary duck.
这种鸭子是野鸭和普通鸭子的混种。
2.
Dynamics of antibody against duck hepatitis virus in breed ducks and of maternal antibody in ducklings;
鸭肝炎病毒免疫种鸭抗体消长规律及其雏鸭母源抗体变化的研究
3.
The Effects of Two Different Feeding Programs on the Production Performance in Xianhu No.3 Breeder Ducks;
两种饲喂技术对仙湖3号鸭种鸭生产性能的影响
4.
any of various large diving ducks found along the seacoast: eider; scoter; merganser.
在海岸活动的各种大型潜水鸭；绒鸭；海番鸭；秋沙鸭。
5.
Either of two diving ducks(Bucephala clangula or B. islandica) of northern regions, having a short black bill, a rounded head, and yellow eyes.
鹊鸭一种潜鸭（鹊鸭或冰洲鹊鸭），生活于北方，黑短喙，圆头，黄眼
6.
complete varieties of chicken, duck, fish and meat
鸡、鸭、鱼、肉品种齐全
7.
Any of several large sea ducks, especially of the genus Somateria of northern regions, having soft, commercially valuable down and predominantly black and white plumage in the male.
绒鸭一种大海鸭，尤指北部地区的欧绒鸭属，有柔软的有商业价值的鸭绒，雄鸭毛主要为黑白色
8.
A wild duck(Anas platyrhynchos)of which the male has a green head and neck.Most domestic ducks descend from the mallard.
绿头鸭一种野鸭（绿头鸭），其雄鸟具有绿色的头和颈。大部分驯化了的家鸭都是绿头鸭的后裔
9.
Any of a breed of common domestic ducks descended from and resembling the mallard.
鲁昂鸭一种与绿头鸭相似并是其后代的普通家养鸭
10.
A North American wild duck(Aythya valisineria)having a reddish - brown head and neck and a whitish back.
帆布背潜鸭一种北美野鸭（帆背潜鸭），头颈呈红褐色，背呈浅白色
11.
Cloning of a Hybrid Down-regulated Gene r-MHD2 in Domestic Duck and Muscovy Duck Crossbreeding System
家鸭×番鸭杂种下调表达新基因r-MHD2的克隆
12.
Evaluation of Genetic Diversity of Some Wild and Domestic Ducks in China Based on Microsatellite Markers
我国几种野鸭和家鸭遗传多样性的SSR分析
13.
Any of various diving ducks of the genus Aythya, especially A.ferina of Europe and Asia, which has gray and black plumage and a reddish head.
潜鸭一种潜鸭属潜水鸭，尤指产于欧洲和亚洲的红头潜鸭，它有灰黑色的羽毛和浅红色的头
14.
Duck Hemorrhagic Disease(DHD)is a new infectious disease caused by a new type herpesivrus diferent from duck plague virus.
鸭出血症是由不同于鸭瘟病毒的鸭新型疱疹病毒引起的鸭的一种传染性疾病。
15.
A large white duck of a Chinese breed, widely raised in the United States for food.
北京鸭一种中国种的大白鸭,在美国广泛培育用于食用
16.
Any of various amphibious dinosaurs of the genus Anatosaurus and related genera that had webbed feet and a ducklike bill.
鸭嘴龙鸭嘴龙属的两栖恐龙中的一种或其它相关科属中的一种，长有蹼足和象鸭嘴的喙
17.
It is a mixed salad with smoked duck and orange slices.
是一种熏鸭和柳橙切片混合的沙拉。
18.
a pate made from duck liver.
鸭的肝脏制成的一种脑袋。