英语语法分析

In very hot chilies, the capsaicin content is so amazing that if you cut the pepper, you will immediately feel burning pain on your skin.

在很辣的红辣椒里，辣椒素的含量惊人，以致于你如果切开辣椒，立刻就会感觉到皮肤上有灼烧痛感。

In chilies, capsaicin is what makes them spicy and "hot."

在红辣椒里，辣椒素是辣味的始作俑者。

The fact that capsaicin causes pain to mammals seems to be accidental.

因此，辣椒素引发哺乳动物的痛觉感受似乎纯属偶然。