由于家具支撑着塌陷的天花板，可能形成空腔。如果没有影响到这些支撑物，人们可以相对安全地在这些空腔中爬行。

There may be voids formed by the furniture supporting the collapsed floors and it is possible to crawl through these voids in comparative safety provided that such supports are not disturbed.

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脑梗死灶中的液化性坏死的溶解导致囊性空腔形成。

Resolution of the liquefactive necrosis in a cerebral infarction leads to the formation of a cystic space.

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发生液化性坏死并形成囊性空腔。

There is liquefactive necrosis with beginning formation of cystic spaces.

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There's a cluster of cells here, there's a sheet of cells that forms an outer lining, and what is most noticeable is this cavity, this fluid filled cavity which begins to develop.

有一簇细胞,一层细胞构成了外形轮廓,最明显的结构就是这个空腔,这一充满液体的空腔开始发育形成

耶鲁公开课 - 生物医学工程探索课程节选