您要查找的是不是：
- 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
- 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
- The main route of infection for humans and also for continued infection of poultry is infected poultry including domestic ducks. 人类和家禽主要是从受感染的家禽感染禽流感,其中包括家鸭。
- 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
- Objective : To study the effect of Decreasing Blood Fat and Clearing Liver Heat Decoction and its part decoction on FFA,LPL and HL of fatty liver domestic ducks. 目的:探讨降脂清肝方及其拆方对脂肪肝家鸭游离脂肪酸(FFA)、脂蛋白脂酶(LPL)、肝脂酶(HL)的影响。
- Artificial feed fish of fishpond and domestic duck are listed as control group to measure. 其中鱼鸭以池养鱼、家鸭作为对照；
- The mallards were once kept to hybrid many forms of domestic ducks, such as Peking duck in China, duck head duck in Italy, and green head duck in Japan. 绿头鸭曾被人利用饲育驯养而改良成各种的家鸭品种如中国的北京鸭、意大利的黑头鸭及日本的青头鸭等。
- domestic duck middle covert feather 二翼毛
- bundled domestic duck black curly tail 家鸭黑蝎子勾扎把
- bundled domestic duck white curly tail 家鸭白蝎子勾扎把
- adult male of a wild or domestic duck. 成体雄性野鸭或家鸭。
- bundled domestic duck flank plumage 家鸭白花毛扎把
- He larded the duck with pig fat to make it tasty. 他给鸭肉加了点猪油使它美味可口。
- The ducks of the production team have been fed out. 生产队的鸭子已养肥到可以上市了。
- There are many drakes and ducks on the lake. 湖里有许多鸭子。
- The cat is a domestic animal in many countries. 猫在许多国家都是家养动物。
- There are many ducks swimming in the lake. 湖里有许多鸭子在游泳。
- I will suggest crispy fried duck. 我建议您点香酥鸭。
- She felt fenced in by domestic routine. 她觉得自己完全被家务事束缚住了。
- There are often wild ducks swimming in the creek. 小溪中常有野鸭戏水。
