Ecological region

• 生态区

Ecological region的用法和样例：

例句

1. Northern North America is part of a larger circumpolar ecological domain that continues across the narrow Bering Stait into Siberia and northern Europe.
   北美北部是极地生态区的一部分，极地生态区一直向外延伸，穿过白令海峡，进入西伯利亚和北欧。