- 
    		    
    		    
                Backwardness in high quality epitaxial wafer has limited greatly the development of Chinese LED industry.高质量的外延片已经成为中国LED产业发展的主要制约环节.We are struggling with backwardness.我们在和落后现象做斗争.Those who were in various degree of bac... 
- 
    		    
    		    
                We are struggling with backwardness.我们在和落后现象做斗争.Those who were in various degree of backwardness lived inland.那些在不同程度上较为落后的人住在内地.The basic cause of Russian backwardness lies in its peasants.俄国落后的根本原因就是农民因素.... 
- 
    		    
    		    
                backwardness的音标:backwardness的英式发音音标为:['bækwədnəs]backwardness的美式发音音标为:['bækwərdnəs]...