Chinese edit

 
to drop; to fall; to come down
to drop; to fall; to come down; to descend; to surrender
borneol; a small hailstone alkene
trad. (降冰片烯) 冰片
simp. #(降冰片烯) 冰片
 
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Noun edit

降冰片烯

  1. (organic chemistry) norbornene