单词	chemical warfare
释义	chemical warfare noun : tactical warfare using substances (such as incendiary mixtures, smoke, or gases) with irritant, burning, poisonous, or asphyxiating properties There were other isolated instances of chemical warfare. The Greeks used a gas attack with sulphur fumes at the siege of Delium in 424 B.C. Bernard and Fawn M. Brodie The forswearing of chemical warfare by the major combatants in World War II foreshadowed the later nuclear "balance of terror," during the Cold War. Clifford F. Beal Example Sentences Recent Examples on the Web These four will explore the myths and realities of both natural and unnatural threats from viruses to volcanoes, asteroids to authoritarianism, and climate change to chemical warfare. al, 24 Aug. 2022 Hundreds of thousands of species of reptile, insect, spider, snail and jellyfish, among other creatures, have mastered the art of chemical warfare with venom. New York Times, 3 May 2022 Or mechlorethamine, a 1940s weapon of chemical warfare turned cancer-fighting agent now used in chemotherapy drugs. Robert Pearl, Forbes, 13 June 2022 But some experts hold that smaller-scale uses of chemical agents and Russia’s involvement in the Syria conflict show that Mr. Putin has a clear attachment to chemical warfare. New York Times, 4 May 2022 All tanks and wheeled vehicles from the past 50 years have been tested at APG, and chemical warfare research is performed at the proving ground. Baltimore Sun, 13 May 2022 Analysts nonetheless see the threat of chemical warfare as real because Mr. Putin has long shown a willingness to ignore the international ban on chemical weapons. New York Times, 4 May 2022 Defending Ukraine still uses Soviet-era books, and emphasizes how to pack an emergency bag and first-aid techniques as well as coping with chemical warfare and handling assault rifles. Scott Peterson, The Christian Science Monitor, 27 Apr. 2022 Start Here begins Friday morning with ABC's Martha Raddatz on rising fears of Russian chemical warfare. Byrick Klein,averi Harper, ABC News, 25 Mar. 2022 See More Word History First Known Use 1910, in the meaning defined above Medical Definition chemical warfare noun : tactical warfare using incendiary mixtures, smokes, or irritant, burning, poisonous, or asphyxiating gases
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