Gd
英
美
- abbr.好(=good)abbr.[化]钆(=gadolinium)GD.n.大公国(=grandduchy)
Noun:
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a nerve agent easily absorbed into the body; a lethal cholinesterase inhibitor that is highly toxic when inhaled
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a ductile silvery-white ductile ferromagnetic trivalent metallic element of the rare earth group