chains and rings meaning in English
链和环
Examples
- Among all the elements known , carbon is unique because of the ability to bond with itself and with other atoms in endlessly varied combinations of chains and rings
在自然界中，碳是一种非常独特的元素。碳原子之间、碳原子和其它原子之间借助多种多样的成键方式可以形成形态、结构和特性各异的物质。