Structurally, the appendix is isolated from the rest of the gut, with an opening smaller than a pencil lead, protected from the fecal stream that might be carrying pathogens.
从构造上看，阑尾位于盲肠的末端，不与其他部分连结。 它有一个比铅笔心还细的开口，防止了可能携带病原菌的废物流入其中。
An opening set high up in the rear elevation is protected by a folded steel hood and is intended to resemble a church window that only lets in light at certain times of the day.
亭子后墙设置的高高的开口处有折叠钢罩，很像是教堂里的窗户，光线通过这个进口在白天特定的时间里才能进入室内。
An opening set high up in the rear elevation is protected by a folded steel hood and is intended to resemble a church window that only lets in light at certain times of the day.
亭子后墙设置的高高的开口处有折叠钢罩，很像是教堂里的窗户，光线通过这个进口在白天特定的时间里才能进入室内。
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