mallard

名词 mallard:

1. wild dabbling duck from which domestic ducks are descended; widely distributed
   同义词：Anas platyrhynchos

1. 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

mal.lard

n.（名词）
【复数】 mallard 或 mal.lards
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

来源：
Middle English malarde
中古英语 malarde
from Old French mallart
源自 古法语 mallart
perhaps from male [male] * see male
可能源自 male [雄性的] *参见 male
-ard [-ard,]
-ard [后缀]
or possibly of Germanic origin
或可能为 日耳曼语语源