Premature aging是什么意思

Premature aging

[医]过早老化;

例句

Our bodies convert beta-carotene into vitamin a, which acts as anantioxidant, preventing cell damage and premature aging.

我们的身体将β-胡萝卜素转化为维生素a一种抗氧化剂，防止细胞损伤和过早老化。