网站首页 汉语 德语 英语
Of a pericyclic reaction: involving the formation or breaking of bonds on opposite faces of the transition state. Contrasted with suprafacial.
1960s. From Sanskrit antara different, other + facial.
雅致网英汉双解词典包含236457条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。