乙酰基群的

例句：

1. 1.The reaction was catalyzed by the enzyme that has an acetyl group on its surface.
   该反应由具有表面乙酰基的酶催化。
2. 2.The acetyl group is a common functional group in organic chemistry.
   乙酰基是有机化学中常见的官能团。
3. 3. The acetyl group is responsible for the chemical properties of the compound.
   乙酰基负责化合物的化学性质。