The chemist added an alkyl group to the molecule.

化学家向分子中添加了一个烷基。

They synthesized a new compound by attaching an alkyl group.

他们通过连接一个烷基合成了一种新化合物。

The alkyl group is a common functional group in organic chemistry.

烷基是有机化学中常见的官能团。

The presence of an alkyl group can affect the reactivity of the compound.

烷基的存在可以影响化合物的反应性。

The homologs of benzene are those containing an alkyl group or alkyl groups in place of one or more hydrogen atoms.

苯的同源物是于苯环中一个或多个氢原子的位置上以烷基取代的化合物。

But when we mixed a new alkyl group into the alkylbenzene , we get only the meta-compound.

但在烷基苯中引入新的烷基时，得到的是间位产物。

But when we mixed a new alkyl group into the alkylbenzene, we get only the meta - compound.

但在烷基苯中引入新的烷基时, 得到的是间位产物.