orbiters

例句:

• What protocols is the US using on the orbiters?
  来自SA
• The two Viking orbiters made maps of much of the surface.
  两个海盗号轨道飞行器绘制出了火星大部分表面的地图.
  
• The Viking spacecraft consisted of two orbiters.
  维京太空船由两个轨道航行器组成.
  
• The new spacecraft joins two other U.S. orbiters and one European satellite circling Mars.
  这个新飞行器将与另外两个围绕火星飞行的人造卫星和一个欧洲探测器联手.
  
• Especially when there are other Mars orbiters and rovers already planned.
  来自SA
• The orbiters also served as communication relays for the landers once they touched down.
  来自BBC