冰盖的范围依季节变化，2007年9月到达有记录的最小面积。

The extent of the ice cap varies seasonally, and in September 2007 it reached its smallest recorded size.

youdao

冰盖的范围依季节变化，2007年9月到达有记录的最小面积。

The extent of the ice cap varies seasonally, and in September 2007 it reached its smallest recorded size.

youdao