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abbr.Gobon 蓬；Gobon,蓬；n.口香糖( gum的名词复数 )；树胶；黏胶；牙龈 英英释义： gan.the first known nerve agent, synthesized by German chemists in 1936; a highly toxic combustible liquid that is soluble in organic solvents and is used as a nerve gas in chemical warfare同义词：tabuna r
