高速

gāosù
  1. high speed
  2. expressway (abbr. for 高速公路 gāosùgōnglù)

CEDICT

Entry Composition

1 高 gāo
  1. high
  2. tall
  3. above average
  4. loud
  5. your (honorific)
2 速 sù
  1. fast
  2. rapid
  3. quick
  4. velocity