proteinometer

例句：

1. 3. 例句：1. The protein analyzer was used to determine the protein content in the sample.
   使用蛋白测定器来测定样本中的蛋白质含量。
2. 2. The protein tester detected a trace amount of protein in the urine sample.
   蛋白测试器在尿液样本中检测到了微量蛋白质。
3. 3. The protein analyzer was used to compare the protein levels between different species.
   蛋白测定器被用来比较不同物种之间的蛋白质水平。