主要的差别是，相比于太阳，阿连德陨石缺失了大部分的挥发性元素，例如氢、碳、氧、氮和稀有气体。

The major difference is that Allende is depleted in the most volatile elements, like hydrogen, carbon, oxygen, nitrogen, and the noble gases, relative to the Sun.

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当恒星逐渐缺少能源，它的核心部分变得越来越小，温度逐渐升高，同时使外层物质挥发。

As the star begins to run out of fuel, its core becomes smaller and hotter, boiling off its outer layers.

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涂料材料中非挥发的部分。

Non-volatile portion of the coating material.

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