gāo yao
herbal plaster applied to a wound
Zhào Zhōng yáo
Zhao Zhongyao (1902-1998), Chinese pioneer nuclear physicist
shān yao dàn
(dialect) potato
rube
yokel
gǒu pí gāo yao
dogskin plaster, used in TCM for treating contusions, rheumatism etc
quack medicine
sham goods