technetium

名词 n.
中文释义
美 /tɛkˈni.ʃi.əm/|/-ʃəm/

英文释义

名词 n.
  1. A metallic chemical element (symbol Tc) with an atomic number of 43. uncountable

词源

From Ancient Greek τεχνητός (tekhnētós, “artificial, manmade”) + -ium, because it was the first manmade element synthesized.
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