高原反應 gāo yuán fǎn yìng

DEFINITIONS

  1. altitude sickness
  2. acute mountain sickness
  3. abbr. to 高反[gao1 fan3]

CHARACTERS

高 gāo
HSK 1
high, tall; lofty, elevated
原 yuán
HSK 4
source, origin, beginning
反 fǎn
HSK 4
reverse, opposite, contrary, anti
應 yìng should, ought to, must