对流层顶 duì liú céng dǐng

DEFINITIONS

  1. tropopause
  2. top of troposphere

CHARACTERS

对 duì
HSK 1
correct, right; facing, opposed
流 liú
HSK 4
flow, circulate, drift; class
层 céng
HSK 3
story, layer, floor, stratum
顶 dǐng
HSK 5
top, summit, peak; to carry on the head