forty-ninth parallel

短语

北纬49度纬线（据认为形成加拿大西部和美国之间的边境线）

释义与例句

n.
  1. 1.

    A nickname for the approximately 1200-mile (1900-kilometer) portion of the border between Canada and the USA, extending along the forty-ninth parallel of latitude from Lake of the Woods to the Pacific Ocean.

    加拿大 美国 不可数
  2. 2.

    A nickname for the entire border between Canada and the USA.

    加拿大 美国 不可数