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thulium

/'θju:liәm/

📖 中文释义

  1. n. 铥
  2. [化] 铥Tm
📘 English Definition（英文释义）
  1. n. a soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime
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