contents of proteins

• 蛋白质含量

contents of proteins的用法和样例：

例句

1. Another sign is high levels of protein in the urine.
   尿液中蛋白质含量过高。
2. In this experiment, the content of protein was low in Yushe among four zoologies, but it was higher in Zhangzi and Pingyao.
   在本试验选择的四个生态区中，五个玉米品种在榆社的蛋白质含量都较低，在平遥和长子则相对较高。