polar circle

基本解释

• [数] 极圆；[天][测] 极圈

同根派生

英汉例句

双语例句

• Many make their dream come true, and take a trip to the Polar Circle.
  其中有些人的梦想就成为了现实，他们真的去了北极圈。
  blog.sina.com.cn
• Somebody considers that it the only one city in the world located on the Polar circle.
  有人认为他是世界上唯一个位于极圈上的城镇。
• Founders of the polar circle diving center are making holes in the ice with help of hand drills and augers.
  极地圈中心的创建者正在冰里用钻孔机钻孔。

权威例句

• Polar bears live along the Arctic Circle and are considered a vulnerable species by the International Union for Conservation of Nature in Switzerland.
  FORBES: Russian Police Kill Three Polar Bears Following Deadly Attack

词组短语

短语

• polar r circle 极圈
• polar mohr circle 极摩尔圆
• Polar Circle Marathon 北极圈马拉松
• Arches the polar circle 拱极圈
• the polar circle 北极圈

英英字典

柯林斯英英字典

• &rarra term for either the Arctic Circle , Antarctic Circle

专业释义

数学

• 极圆

地球科学

• 极圈

测绘科学技术

• 极圈

天文学

• 极圈

生物学

• 极圈