“同素”造句

木炭和金刚石都是炭的同素异形物
Charcoal and diamond are allotropes of carbon.

把元素中的多晶现象称为同素异构性.
Polymorphism in elements is called allotropy.

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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