allotropic的例句（allotropic在句子中的用法）

• 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.
• Carbon and sulfur and phosphorus are allotropic elements. 碳、硫磺和磷是同素异形元素.
• 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.