The equator is an imaginary line around the middle of the earth at an equal distance from the North Pole and the South Pole. 赤道
noun [专属名词] 赤道
GPS operates best near the equator. 全球定位系统在赤道附近性能最好。
- equator 出现在下面的课文中（提供视频、音频及笔记等可系统性学习）
- Lesson 25 The Cutty Sark equator 名词: 赤道
- Lesson 30 Exploring the sea-floor
