longitude meridian

• 经线

longitude meridian的用法和样例：

例句

1. What interested her most was the longitude line.
   她最感兴趣的是那条经线。
2. Just down the road is the national observatory at Greenwich, which houses the Meridian Line and forms the standard from which the world's time zones are set.
   顺道而下便是穿过格林尼治子午线的格林威治国家天文台，且世界的零度经线以此而划分。