arsenic contamination的用法和樣例：
例句
- By this theory, human activity is aggravating the arsenic problem.
根據這個(gè)理論，人類(lèi)活動(dòng)惡化了砷污染問(wèn)題。 - The results showed that there was arsenic pollution in soil around the piggery in which roxarsone has been med for a long period.
結果表明，長(cháng)期使用洛克沙砷的養豬場(chǎng)周?chē)耐寥兰坝蔑曃惯^(guò)洛克沙砷的豬類(lèi)作肥料的土壤都存在砷污染。
