观测卫星 guāncèwèixīng observation satellite Definitions Defs Origin Strokes Stroke Words Sentences Sents 观测卫星 觀測衛星 guāncèwèixīng observation satellite a satellite used for observing the Earth or other celestial bodies
观测卫星 觀測衛星 guāncèwèixīng observation satellite a satellite used for observing the Earth or other celestial bodies