But it represents a loss of about five hundred ninety thousand kilometers from the yearly average between nineteen seventy nine and two thousand.

但是从1979年到两千年每年的平均数值来看，这也说明了大约五十九万平方公里的冰川消失了。

youdao

But it represents a loss of about five hundred ninety thousand kilometers from the yearly average between nineteen seventy-nine and two thousand.

VOA: special.2009.05.05

They were questioned in nineteen ninety-nine, two thousand one and two thousand three.

VOA: special.2009.06.09