- 双语例句
1、
Titanium in the pure state can exist in either of two allotropic forms.
纯钛以两种同素异形的形式存在.
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2、
Carbon and sulfur and phosphorus are allotropic elements.
碳、硫磺和磷是同素异形元素.
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3、
Ozone ( O 3 ) is allotropic form of oxygen ( O 2 ) with three atoms in each molecule.
氧气和臭氧都是由 氧 原子组成.
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