free-range

US /ˈfriː.reɪndʒ/
UK /ˈfriː.reɪndʒ/
"free-range" picture
1.

散养, 放养

of a domestic animal) kept in natural conditions, with freedom to roam.

:
We only buy free-range eggs from local farms.
我们只从当地农场购买散养鸡蛋。
The farm specializes in free-range chickens and pigs.
该农场专门饲养散养鸡和猪。