circumpolar
环太平洋地区,环极,环极地,环北极地区
Definitions
- 1
- : around or near a pole, as of the earth.
Examples
In order to survive 120 days of continuous darkness and an average temperature of 43 degrees Fahrenheit, the circumpolar creatures were most likely warm-blooded.
As forbidding as this terrain is, there is another force at work on the ocean surface – the Antarctic Circumpolar Current.
Bones of the musk-ox found in the frozen soil of Siberia indicate that it formerly had a circumpolar distribution.
Very rare migrant; but two records; breeding habitat, circumpolar regions.
This is done most effectually by observing the vertical movement of a close circumpolar star when at its greatest azimuth.
In 1817 he joined the corvette “Uranie” as pharmaceutical botanist to the circumpolar expedition commanded by D. de Freycinet.
When are the circumpolar constellations visible in northern latitudes?