单词：ester bond
ester bond的用法和样例：
例句
- Tannase hydrolyses the ester bonds and depside bonds in gallic acid tannins to release gallic acid and glucose.摘要单宁酶可水解没食子酸单宁中的酯键和缩酚羧键，生成没食子酸和葡萄糖。
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