Chinese edit

 
flat; level; equal
flat; level; equal; to make the same score; to tie; to draw; calm; peaceful
 
to flow; to spread; to circulate
to flow; to spread; to circulate; to move
 
layer; floor; a measure word for layers
layer; floor; a measure word for layers; laminated; repeated; story (of a building); (maths) sheaf
trad. (平流層)
simp. (平流层)
 
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Noun edit

平流層

  1. (meteorology) stratosphere