sheep placenta的用法和样例：
例句
- This product is a nutrimental food, used Lamb placenta extract as its principal ingredient and prepared by scientific processing technics in advance.
本品是以羊胎盘冻干粉为主要原料，经过先进的科学加工工艺精制而成的营养食品。 - Placenta Extract contains a growth factor and resisting age factor, which stimulates the skin and prevent pigmentation to retain softness and whiteness.
羊胎盘素，富含细胞成长因子及抗老化因子，具活化细胞及防止黑色素沉淀，保持皮肤柔细及美白效果。
