Greenwich meridian

英 美
  • 格林威治子午线
  • greenwich n.格林威治(英国伦敦东南一市镇)
  • meridian n.子午线;经线;顶点;正午adj.子午线的;正午的;顶点的
Noun:
  1. the meridian passing through Greenwich; was internationally adopted as the earth's zero of longitude in 1884