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地球大气层
 地球大气层
space terrestrial atmosphere
| 上层
 上层
bridg.constr. upper course; overstory; upper coat; upper strata; superstratum
hydroel.st. upper layer
met. top layer
oil topside
space father

to phrases
地球大气层 dìqiú dàqìcéng
space terrestrial atmosphere
地球大气层: 16 phrases in 8 subjects
Aviation4
Cartography1
Earth sciences2
Ecology2
General2
Space3
Technology1
Telecommunications1