The idea is to have a "duck Ranger" - a movable duck shed to house freeranging ducks in the rice fields.
这项建议的主要想法是修建“养鸭护棚”，即为在稻田里自由放养的鸭子提供移动式鸭棚。
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This raises questions about other ways of virus transmission and potential reservoirs of infection, like in freeranging ducks,” he added.
这便提出了有关病毒其他传播途径和潜在感染储主的问题，如自由放养的鸭子，”他补充道。
3
Primate researchers, working with semi-freeranging chimpanzees at a sanctuary in Uganda, found chimpanzees recruit a helping partner only if it gets them more food than they’d get alone.