湘中红壤丘陵区是中国非常脆弱的生态系统之一。

The red soil hilly region of Central Hunan Province is one of the most ecologically fragile regions in China.

youdao

湘中红壤丘陵区是中国非常脆弱的生态系统之一。

The red soil hilly region of Central Hunan Province is one of the most ecologically fragile regions in China.

youdao