| 释义 |
isomer
UK ['aɪ.sə.mər] US [-soʊ.mɚ] specialized
noun countable
■any one of a group of chemical substances which all have the same number and type of atoms but in which the arrangement of the atoms is slightly different between each substance （同分）异构体•structural/geometrical/optical isomers结构／几何／光学异构体 |