英语词汇“platinum sponge”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	platinum sponge
释义	platinum sponge noun : metallic platinum in a gray porous spongy form that is obtained by reducing ammonium chloroplatinate, that occludes large volumes of oxygen, hydrogen, and other gases, and that is used as a catalyst
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