大熊猫分布区的植物区系起源古老，成分复杂。

The origin of flora is ancient in the distribution area of the giant panda and its elements are complicated.

youdao

大熊猫分布区的植物区系起源古老，成分复杂。

The origin of flora is ancient in the distribution area of the giant panda and its elements are complicated.

youdao