Tundra
01
苔原, 冻原
the expansive flat Arctic regions, of North America, Asia, and Europe, in which no trees grow and the soil is always frozen
例子
Tundra ecosystems are home to hardy species such as caribou, Arctic foxes, and polar bears adapted to the extreme conditions.
苔原生态系统是适应极端条件的顽强物种如驯鹿、北极狐和北极熊的家园。
