heavy metal contents

• 重金属含量

heavy metal contents的用法和样例：

例句

1. The metal contents in the macrobenthos were slightly higher under forest than in the creek.
   在动物总体水平上，林内动物重金属含量稍高于潮沟动物。
2. In the past long time, the total content of heavy metal in the soil was a very important parameter for evaluating the soil contaminating degree.
   在过去很长一段时间里重金属含量的高低一直都被看作是土壤污染程度的一个重要指标。