纯钛以两种同素异形的形式存在。

Titanium in the pure state can exist in either of two allotropic forms.

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这种压力不断作用于富含碳元素的白矮星成分，使其自身结晶成碳的同素异形体，也就是我们所说的钻石。

And that pressure, acting on the carbon-rich makeup of the White Dwarf, may have crystallized much of it to the particular form of carbon we call diamond.

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碳的同素异形体包括金刚石、石墨和木炭，所有这些物质都具有相同的化学性质。

The allotropes of carbon include diamond, graphite and charcoal, all with the same chemical properties.

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