常见例句Ginkgo biloba on the skin, the stratum corneum is obvious.銀杏葉的上表皮，具有明顯的角質層。It will increase the water content of the stratum corneum, so as to reduce the extent of the epidermal keratinocyte.提高角質層的水分含量，使表皮角質化的程度減弱。 返回 corneum