单词	cheng xun
释义	cheng xun 程洵
随便看	transition and upgrade transition and upgrading transition anode transition apparatus transition arc transition area transition area of track Transitionar space transitionary transition assertion Transition Assistance Program transition associes transition band transition band compensation transition basin transition bay transition beam transition beams transition bed transition beds transition belt transition benefits transition between cultivation and pastoralism transition between energy level transition between free and pressure flow