皮膜 is read as ひまく (himaku) and means film.
ひまく
himaku
ひふねんまくがんしょうこうぐん
Stevens-Johnson syndrome
きょじつひにく
the difference between truth and fiction in art being very subtle
ひかそしき
hypodermis
ひかちゅうしゃ
hypodermic injection
ひべん
skin flap
うすまく
thin film
こまく
eardrum
まく
membrane
もうまく
retina
ねんまく
mucous membrane
かくまく
cornea
tunic (plants)