fixed group
英
美
- fixed adj.固定的;不变的;确定的动词fix的过去式和过去分词.
- group n.群;组;团体;集团v.聚合;成群、组;把...聚集;把...分类
- A vinyl compound is an organic compound that contains a vinyl group.
乙烯化合物是有乙烯基团的有机化合物。
- When the anthraquinone ring is led into different group,it changes into a differentd yestuff.
将蒽醌环上引入不同的基团则成为不同的染料。