Elliot discovered the presence of five rings encircling the equator of Uranus.艾里奥发现有五个光环围绕着天王星赤道.All the planets orbit the Sun in roughly the same plane, round its equator.所有的行星大致在同一平面上绕太阳赤道运转。The equator engirds the ear...
GPS operates best near the equator.全球定位系统在赤道附近性能最好。The equator is an imaginary line around the middle of the earth.赤道是一条假想的环绕地球腰部的线。Singapore is near the equator.新加坡位于赤道附近....