early 15c., from Latin contaminationem (nominative contaminatio), noun of action from past participle stem of contaminare (see contaminate). Figurative sense is from c. 1620; specifically of radioactivity from 1913.
权威例句
1. By bathing in unclean water, they expose themselves to contamination.
在不干净的水中洗澡,他们可能会受到感染。
2. The contamination of the sea around Capri may be just the beginning.
卡普里岛附近海域的污染也许仅仅是个开始。
3. We must ensure our children against contamination by bad ideas.
我们必须保护我们的儿童不受坏思想的侵蚀.
4. There is a danger of serious contamination from radioactive waste.
放射性废弃物有严重污染的危险.
5. There is already a high level of environmental contamination.