英语语法分析

This area is always tender to the touch if the intestines are not functioning properly.

如果肠功能不正常的话，这个部位总是一按就痛。

《柯林斯英汉双解大词典》

An example of a parasite is a tapeworm that lives inside the intestines of a larger animal and absorbs nutrients from its host.

寄生虫的一个典例是绦虫，它生活在更大的动物的肠道内，从宿主那里吸收营养。

If you eat fruit like that, it will go straight through the stomach into the intestines.

如果你这样吃水果，它会直接经过胃进入肠道。