单词：nonprotein
a. 不含蛋白质的
nonprotein的用法和样例：
例句
- Many enzymes will not work without the presence of an additional nonprotein substance called a cofactor.许多酶如不外加一种叫做辅助因子的非蛋白质物质就不能工作。
- The appearance of a nonprotein spike would indicate a possible contaminant in the sample that could then be identified through other tests.如果仪器上显示非蛋白质物质含量激增，则表示样本可能遭受污染，之后可以透过其他测试来确认。
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