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首页英语词典thuliumthulium英英释意

thulium

英 ['θ(j)uːlɪəm] 美['θulɪəm]

thulium的意思英英释义实用场景例句

n. [化学] 铥，稀土金属元素；铥原子序69；符号Tm

英英释意

1. 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