xenograft of skin的用法和樣例：
例句
- Melasma is a skin condition characterized by dark patches or blotches on the face.
黃褐斑簡(jiǎn)介黃褐斑是一種皮膚狀況，其特征是面部黑點(diǎn)或斑點(diǎn)。 - Colloidal oatmeal is known to reduce dry skin through its moisturizing qualities and it also serves as a protectant.
膠態(tài)燕麥片，它的滋潤性可以減少皮膚的干燥，而且它可以作用一種皮膚的保護劑。
