greenwich meridian編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看greenwich meridiangreenwich meridian — 名詞名詞1. the line of 0° longitude, from which east and west are measured1.名詞釋義格林威治子午線the line of 0° longitude, from which east and west are measured例句The Greenwich Meridian passes through the Royal Observatory in London.