英语语法分析

But ascorbic acid has another major benefit: healthier skin.

但是抗坏血酸还有另一个主要的功效：改善皮肤。

Vitamin c, which is also known as ascorbic acid, is one of the most powerful anti-oxidants.

维他命c，也叫抗坏血酸，就是最好的抗氧化剂之一。

Vitamin C, also called ascorbic acid, is an antioxidant that promotes healthy teeth and gums.

维他命C，也叫抗坏血酸，是一种抗氧化剂，可以促进牙齿和牙龈的健康。