the distance of a place east or west of an imaginary line from the top to the bottom of the Earth , measured in degrees
发音
例句
1. The city is at longitude 21° east. 这个城市位于东经21度。 2. He noted the latitude and longitude, then made a mark on the admiralty chart. 他记下纬度和经度,然后在航海图上做了个标记。