radioactive substances

常见例句

雙語例句

• Madame Curie was the physicist with expertise in chemistry that, in 1898, discovered the radioactive substances of radium and polonium in Paris, France.
  居裡夫人是一位具有化學專門知識的物理學家。 1898年，她在法國巴黎發現了放射性物質的鐳和釙。
• "I avoid going to restaurants because of the problems with food and vegetables found to contain radioactive substances, " said one 38-year-old company worker.
  一個38嵗的公司人員說：“由於食物和蔬菜中檢測到放射性物質，我盡量不去餐館喫飯。”

權威例句

• After poring over the data, engineers and physicists noted a recurring pattern 33 days long that affected the decay rates of the various radioactive substances.
  FORBES: Radioactive Decay Rates May Not Be Constant After All
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