近地轨道 jìn dì guǐ dào

DEFINITIONS

  1. low Earth orbit (LEO)

CHARACTERS

近 jìn
HSK 2
near, close; approach; intimate
地 dì
HSK 3
earth; soil, ground; region
轨 guǐ
HSK 6
track, rut, path
道 dào
HSK 2
path, road, street; method, way