脊灰 jǐ huī

DEFINITIONS

  1. polio
  2. abbr. for 脊髓灰質炎|脊髓灰质炎[ji3 sui3 hui1 zhi4 yan2]

CHARACTERS

脊 jǐ spine, backbone; ridge
灰 huī
HSK 5
ashes; dust; lime, mortar