| 释义 |
trit·i·um AHD[trĭtʹē-əm, trĭshʹē-] D.J.[ˈtrɪtiːəm, ˈtrɪʃiː-]K.K.[ˈtrɪtiəm, ˈtrɪʃi-]n.（名词）- A rare radioactive hydrogen isotope with atomic mass 3 and half-life 12.5 years, prepared artificially for use as a tracer and as a constituent of hydrogen bombs.氘：氢的放射性稀有同位素，原子量为3，半衰期12.5年，人工配制可用作指示剂和氢弹的组成部分
- From Greek tritos [third] * see trei- 源自 希腊语 tritos [第三] * 参见 trei-
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