风口

風口
fēngkǒu
  1. air vent
  2. drafty place
  3. wind gap (geology)
  4. tuyere (furnace air nozzle)
  5. (fig.) hot trend
  6. fad

CEDICT

geology

Entry Composition

1 风 fēng
  1. wind
  2. news
  3. style
  4. custom
  5. manner

classifiers: 陣, 絲
2 口 kǒu
  1. mouth
  2. classifier for things with mouths (people, domestic animals, cannons, wells etc)
  3. classifier for bites or mouthfuls