E) Pandas in zoos have as many offspring that survive to adulthood as do pandas in the wild.
E) Pandas in zoos have as many offspring that survive to adulthood as do pandas in the wild.
动物园里的大熊猫和野生的大熊猫后代中能够活到成年的熊猫的数量相当于。
E) Pandas in zoos have as many offspring that survive to adulthood as do pandas in the wild.
动物园里的大熊猫和野生的大熊猫后代中能够活到成年的熊猫的数量相当于。