肌肉松弛剂

jī ròu sōng chí jì

muscle relaxant (medicine)

肌

jī

(bound form) flesh; muscle

肉

ròu

meat

松

sōng

loose

弛

chí

to unstring a bow

剂

jì

(bound form) a compound made by mixing ingredients (esp. a medicinal or chemical product)