地球同步转移轨道

geosynchronous transfer orbit

• cold
• coldly
• coldness
• cold water
• collapse
• collar
• collect
• collectable
• collection
• collective
• collectively
• collector
• college
• color
• colorful
• colorfully
• coloring
• colour
• coloured
• colourful
• colourfully
• column
• columnist
• combination
• combine