contamination

释义

n. 污染, 污物\n[化] 污染; 沾污 free from contamination 无污染 environmental contamination 环境污染 water contamination 水污染

例句

However, contamination can occur at any point along the food chain, from field to table.

然而，污染沿着食物链可能在任何的点上发生，从田地到餐桌。

Others have said that all of Mars should be protected as a wildlife preserve where we do everything possible to avoid contamination; on the assumption Martian microbes could exist.

假设火星上可能存在微生物，其他人就认为火星应该是我们做任何事来避免污染的野生动物保护区那样来被保护着。