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BNC: 39456 COCA: 32299
strontium
noun [U] chemistry /ˈstrɒntiəm/
  1. a chemical element that is a soft grey metal, with the symbol Sr. Strontium burns easily and is used in fireworks. 锶(一种柔软的灰色易燃金属,用于制造烟花)
     Synonyms and related words
    Metals: aluminium, aluminum, barium...
BNC: 39456 COCA: 32299
BNC: 39456 COCA: 32299

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