decontaminate

1. V-T To decontaminate something means to remove all germs or dangerous substances from it. 净化

...procedures for decontaminating pilots hit by chemical weapons. ... 被化学武器击中的飞行仪洗消程序

2. decontaminationN-UNCOUNT

The land will require public money for decontamination. 土地净化需用公款。