英语词汇“technetium 99”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	technetium 99
释义	technetium 99 tech·ne·ti·um 99 (⁹⁹Tc), (tek-nē'shē-ŭm), A radioisotope of technetium that is the decay product of technetium-99m and has a weak beta emission and a physical half-life of 213,000 years.
随便看	spark spectrum spark spread spark spreads sparks up spark suppressor sparks will fly spark test spark-tracing method spark transmitter spark up spark voltage sparky sparky schulz sparl sparlike sparling sparlings sparlon sparlyre sparm sparmannia sparmannia africana sparn sparnacean sparo

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

technetium 99