中氣層頂 zhōng qì céng dǐng

DEFINITIONS

  1. mesopause
  2. top of mesosphere

CHARACTERS

中 zhōng
HSK 1
central; center, middle; in the midst of; hit (target); attain
氣 qì air, gas, steam, vapor; spirit
層 céng story, layer, floor, stratum
頂 dǐng top, peak; carry on head; very