他现在只不过是一颗火热的心，被一团发光的云所包围，他像一个巨大的钟摆一样，在不可思议的摆动的弧线上摇摆。

Encompassed in a luminous cloud, of which he was now merely the fiery heart, he swung through unthinkable arcs of oscillation, like a vast pendulum.

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尽管这向天文学家证明了金星被一层厚厚的气体所包围，这层气体使太阳光在金星周围发生折射，但这两种效应都使精确的时间控制成为不可能。

While this showed astronomers that Venus was surrounded by a thick layer of gases refracting sunlight around it, both effects made it impossible to obtain accurate timings.

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你的房屋被蜘蛛所包围。

Your house is teaming with spiders.

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The other reason why cells stay together is that they're surrounded by a matrix that's called extracellular matrix.

另一个使细胞凝聚在一起的原因是,它们被,叫做细胞外基质的一种基质所包围

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