单词：carboxy group
carboxy group的用法和样例：
例句
- 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。
- Aminoin chitosan and carboxy on the surface of fiber form strong ionic linkage.壳聚糖的氨基同纤维表面的羧基形成了牢固的离子键结合。
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