前沿 qiányán
          
              qiányán 
              
              adjective 
              front-line; forward position; outpost; extending ahead; frontier (of science, technology etc) 
              Domain: Modern Chinese 现代汉语
              
              
              
              
               
          
          
Word is mentioned most frequently in
Truncated for common words
- 卷四十一 本紀第四十一 理宗一 Volume 41 Annals 41: Lizong 1 History of Song 宋史 — count: 1