【简答题】The panda is one of the animals most in er. There are about 1,000 pandas living in nature reserves today. Zoos and research centers look after about 160 pandas. Scientists are studying how they li...
【简答题】The panda is one of the animals most in er. Three are about 1,000 pandas living in nature reserves today. Zoos and research centers look after about 160 pandas. Scientists are studying how they li...