所有的植物和动物都是由细胞构成的。

All plants and animals are made of cells.

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人体的组织是由细胞构成的。

Human tissue is made up of cells.

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所有生物都是由细胞构成的。

All living things are made of cells.

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One is that cells form tissues that are mechanically intact, they have mechanical integrity because they can adhere to one another.

一是具有机械完整性的组织是由细胞构成,组织之所以具有机械完整性,是因为细胞能够互相黏附在一起

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This tube, this hollow tube, which food passes through is made up of many, many epithelial cells which directly abut one another and would be a flat sheet except that it's rolled up into a tube.

这个管道,这个中空的管道,食物可以穿行其中,而它就是由许多许多上皮细胞构成的,上皮细胞一个连着一个,形成了一个平坦的细胞层,但实际上它们还在肠管中卷成管状

耶鲁公开课 - 生物医学工程探索课程节选

These junctions, these red dots here are actually made up of proteins, some are synthesized by one cell, some are synthesized by each other, and they lock together to form a very tight barrier, to form a tight junction between the two cells.

这些红点表示细胞连接,实际上是由蛋白质构成的,有些是由一个细胞单独生成的,有些是由两个细胞共同生成,使这两个细胞紧锁在一起形成紧密的屏障,并在两细胞间形成紧密连接

耶鲁公开课 - 生物医学工程探索课程节选