常见例句用作名词 (n.)Each fatty acid consists of a hydrocarbon chain with a carboxyl group at one end.每个脂肪酸由一端带有一个羧基的碳酸链组成。Another end for the hydroxyl and the carboxyl group, has the water affinity.另一端为羟基和羧基，具有亲水性。 返回 carboxyl