contamination
contamination 英 [kən,tæmɪ'neɪʃən] 美
n. 污染,玷污;污染物
名词复数:contaminations
- Contamination is the unwanted pollution of something by another substance. When a nuclear power plant leaks radiation into the atmosphere, for example, it causes a contamination of the surrounding area.
- 请先登录
- n. 污染,玷污;污染物
-
1. There is already a high level of environmental contamination.
环境污染的程度已经很高。
-
2. Wash everything thoroughly to avoid contamination with bacteria.
把所有东西都彻底洗净以避免细菌污染。
- contamination (n.) early 15c., contaminacioun, "infection," from Medieval Latin contaminationem (nominative contaminatio) "a polluting, contamination, defilement," noun of action from past-participle stem of Latin contaminare "to defile, to corrupt, to deteriorate by mingling," originally "to bring into contact," from contamen "contact; pollution," from assimilated form of com "with, together" (see con-) + base of tangere "to touch" (from PIE root *tag- "to touch, handle"). Figurative sense is from c. 1620; specifically of radioactivity from 1913.
- 请先登录
0 个回复