alpha-decay

常见例句

• What made the Roman Empire decay?
  羅馬帝國爲何衰亡？
• The researches are concerned with alpha rays.
  這些研究是關於阿爾法射線的。
• Old civilization may fall into decay.
  古老的文化可能會漸漸衰落下去。
• The empty house has fallen into decay.
  那座空房已成一片頹垣。
• The tree exhibited signs of decay.
  那棵樹顯示腐蛀的跡象。
• His mental decay is distressing.
  他的智力衰退令人苦惱。
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