guǐ dào 
		orbit
railway or tram line
fig. conventional way of thinking
		 
		
		
		
		
			 
		
				
		
			guǐ dào jiāo tōng 
		metro
rapid transit
subway
		 
		
		
														
		
		
			 
		
				
		
			shàng guǐ dào 
		to stay on track
to proceed smoothly
		 
		
		
														
		
		
			 
		
				
		
			yuán guǐ dào 
		circular orbit (in astronomy and in astronautics)
		 
		
		
														
		
		
			 
		
				
		
			guǐ dào cāng 
		orbital module
orbital cabin
		 
		
		
														
		
		
			 
		
				
		
			zài rén guǐ dào kōng jiān zhàn 
		manned orbiting space station
		 
		
		
														
		
		
			 
		
				
		
			dī dì guǐ dào 
		see 近地軌道|近地轨道[jin4 di4 gui3 dao4]
		 
		
		
														
		
		
			 
		
				
		
			qīng xíng guǐ dào jiāo tōng 
		light rail
transit system (underground, at street level or elevated)
streetcar
metro
abbr. to 輕軌|轻轨[qing1 gui3]