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mg.

英 美
  • n.毫克

详细释义

名词 mg:
  1. one thousandth (1/1,000) gram

  2. a light silver-white ductile bivalent metallic element; in pure form it burns with brilliant white flame; occurs naturally only in combination (as in magnesite and dolomite and carnallite and spinel and olivine)

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