前沿

qiányán
  1. (military) forward position
  2. frontier; cutting-edge; forefront

CEDICT

Entry Composition

1 前 qián
  1. front
  2. forward
  3. ahead
  4. first
  5. top (followed by a number)
  6. future
  7. ago
  8. before
  9. BC (e.g. 前293年)
  10. former
  11. formerly
2 沿 yán
  1. along
  2. to follow (a line, tradition etc)
  3. to carry on
  4. to trim (a border with braid, tape etc)
  5. border
  6. edge