地球轨道 dì qiú guǐ dào

DEFINITIONS

  1. earth orbit

CHARACTERS

地 dì
HSK 3
earth; soil, ground; region
球 qiú
HSK 2
ball, sphere, globe; round
轨 guǐ
HSK 6
track, rut, path
道 dào
HSK 2
path, road, street; method, way