网站首页 汉语 德语 英语
1A group of anything situated to or at one side; a subsidiary group or category.
2Chemistry. A group of atoms attached to the principal part of a molecule.
Early 19th century. From side + group.
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。