1.   He was an unassuming young man, who learned polar exploration by experiencing conditions at their worst, and he was perceptive about his fellows.

2.   His brief, firsthand account of the journey, translated into English for the first time, reflects the heroics of polar exploration.

3.   Nansen was the Chuck Yeager of polar exploration.

4.   The ice-pure struggles of polar exploration.

5.   Years after he returned to England he wrote what is arguably the masterpiece of polar exploration.

6.   He saw his trip as the last great polar exploration because other men already had reached both poles.

7.   Most areas of Svalbard are off limits for tourists unless they are well equipped for polar exploration and have a permit, or take part in an organized tour.

a. + exploration >>共 324
further 7.08%
mineral 4.53%
new 3.68%
joint 2.97%
gold 2.12%
future 1.70%
planetary 1.70%
scientific 1.42%
seismic 1.27%
foreign 1.13%
polar 0.99%
polar + n. >>共 114
opposite 22.22%
air 7.69%
ice 6.84%
winter 2.56%
explorer 2.35%
fleece 2.35%
lander 2.35%
expedition 1.92%
route 1.71%
exploration 1.50%
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