片语
transpolar route飞越极地的航线
Transpolar Drift StreamThe Transpolar Drift Stream is a major ocean current of the Arctic Ocean, transporting sea ice from the Laptev Sea and the East Siberian Sea towards Fram Strait. Drift experiments with ships like Fram or Tara showed that the drift takes between two and four year
transpolar drift北极贯穿流
transpolar flight极地飞行
transpolar voyage环北极航行