Melanins
(melanin 的复数) n. 黑色素\\n[化] 黑素
🗣️ 情景例句
Jogging is a popular form of exercise.
慢跑是一种十分普及的体育活动。
I dress my sister and wash her hands and face.
我给我妹妹穿衣服，洗脸洗手。
In his youth, his father and grandfather often told him stories about their family history.
年轻时，他的父亲和祖父常常同他说起他们的家史。