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天火字典

英日字典: atomic_number_81

atomic number 81   (TTS Sound)


The atomic_number_81 has 1 Senses.

  • thallium, atomic number 81, tl
  • タリウム
  • a soft grey malleable metallic element that resembles tin but discolors on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron ores
  • スズに似ているが、空気に触れると変色する、軟質で灰色の可鍛性の金属元素

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