pollution by arsenic

• 砷污染

pollution by arsenic的用法和样例：

例句

1. By this theory, human activity is aggravating the arsenic problem.
   根据这个理论，人类活动恶化了砷污染问题。
2. The results showed that there was arsenic pollution in soil around the piggery in which roxarsone has been med for a long period.
   结果表明，长期使用洛克沙砷的养猪场周围的土壤及用饲喂过洛克沙砷的猪类作肥料的土壤都存在砷污染。