家禽：家禽动物，尤指鸡或火鸡，用作食物。
Such an animal, especially a chicken or turkey, used as food.
这个传统的学校假期是在很久以前就定下来了，当时许多美国人还是以农牧生活为主，在夏天各个家庭需要孩子们帮忙收割和饲养家禽动物。
This traditional school schedule was designed long ago when many Americans lived on farms. Children were needed at home during the summer to help their families with the crops and animals.
过去曾有研究对宇航员赖以生存的动物蛋白质——例如家禽、鱼类、甚至海胆幼虫——进行过评估。
Past research into what animal protein astronauts might live on has assessed poultry, fish, and even sea urchin larvae.
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