1 sentence

1. 这个分子的侧链上含有一个具有特定活性的官能团。

   zhè​ge fēn​zǐ de cè​liàn shàng hán​yǒu yī gè jù​yǒu tè​dìng huó​xìng de guān​néng​tuán.

   The side chain of this molecule contains a functional group with a specific activity.

   Source: Dong Chinese Dictionary