地球表面并不是由构成地壳的单块岩石构成，而是许多紧密相连的“构造板块”，像一块巨大的拼图。

Earth's surface is not made up of a single sheet of rock that forms a crust but rather a number of "tectonic plates" that fit closely, like the pieces of a giant jigsaw puzzle.

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跟世界上的大多数火山不同的是，它们(热点)并不总是在由构成地球

Unlike most of the world's volcanoes, they are not always found at the

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这种组织由构成小肠的各种不同的细胞层组成，包括肌细胞和上皮细胞。

This tissue was composed of the layers of the various cells that make up the intestine -- including muscle cells and the cells that line the inside, known as epithelial cells.

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Because the earth is made of iron, heaven knows everything is made of the same stuff, all heavenly bodies.

因为地球是由铁构成的，上帝知道一切,世间万物是由同一东西组成的，即天体。

麻省理工公开课 - 固态化学导论课程节选

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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That's got the lowest possible standard deviation of expected return and that's 25% stocks and 75% bonds with this sample period.

这个组合预期回报的标准差最小,在这一点上，投资组合,由25%的股票和75%的债券构成。

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