chemical warfare

noun
🔊/ˌkemɪkl ˈwɔːfeə(r)/
🔊/ˌkemɪkl ˈwɔːrfer/
[uncountable]
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  1. the use of poisonous gases and chemicals as weapons in a war化学战
    • biological and chemical warfare生化战
    • He denied his country has developed the capability for chemical warfare.他否认他的国家已经有能力打化学战。
    Topics War and conflictc1