单词：apple acid
apple acid的用法和样例：
例句
- For example, fumarase catalyzes the interconversion of malic acid and fumaric acid.如延胡羧酸酶能催化苹果酸和反丁烯二酸的可逆反应。
- VRB can soften high acid musts by partially metabolizing malic acid.瑞宾能软化高代谢酸苹果酸务必部分。
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