polar circle

听听怎么读
英 [ˈpəulə ˈsə:kl]
美 [ˈpolɚ ˈsɚkəl]
是什么意思
  • 释义

    极圈;

  • 英英释义

    polar circle

    • n.a line of latitude at the north or south poles
    学习怎么用

    权威例句

    Polar Circle
    polar circle
    'POLAR CIRCLE'
    Pines beyond the polar circle: Adaptation to stress conditions
    Pines beyond the polar circle: Adaptation to stress conditions
    Total nitrogen dioxide at the Artic polar circle since 1990
    Total nitrogen dioxide at the Arctic Polar Circle since 1990
    Yeast resources in natural habitats at polar circle latitude
    Stratospheric O 3 and NO 2 observations at the southern polar circle in summer and fall 1988
    Seasonal cycle and winter diapause induction in ants of the genus Myrmica in the Polar Circle region
    Haemonchus contortus: parasite problem No. 1 from tropics - Polar Circle. Problems and prospects for control based on epidemiology
    Unexpected finding of the "tropical"bacterial pathogen Plesiomonas shigelloides from lake water north of the Polar Circle
    A Voyage to the Cape of Good Hope towards the Antarctic Polar Circle round the World and to the Country of the Hottentots and the Ca...