剪辑并粘贴这一程序时请注意，因为XML文件中可能包含了某些隐藏的HTML内容(尤其是换行)，它将导致不能易发现的错误。

Be careful if you cut and paste this code as there may appear some hidden HTML content in your XML file, especially at line breaks that cause trouble not easy to retrieve.

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当研究人员解剖这些现存的易感染的小鼠时，他们发现其肠道典型的线性分泌粘液层的厚度仅为受保护小鼠的一半。

When the researchers dissected these now susceptible mice, they discovered that the mucous layer that typically lines the gut was only half as thick as in protected mice.

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研究人员还发现，患有遗传性易感焦虑的人并没有拒绝咖啡的趋势。

The researchers also found that people who have a genetic predisposition to anxiety do not tend to avoid coffee.

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