1.  element
2.  chemical element
3.  element of a set
4.  E

• 1. 元素: element | element | Fe | Cu
• 2. 第五元素: quintessence | The Fifth Elent | The Fifth Element Original Soundtrack
• 3. 微量元素: trace elements | minor element

更多释义

• 1.卡拉汉假定化学元素放射电磁信号。
  Callahan posits that chemical elements radiate electromagnetic signals.
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• 2.钻石是碳元素的晶体结构。
  Diamond is the crystalline form of the element carbon.
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• 3.身体健康现已成为我们生活中的重要元素。
  Physical fitness has now become an important element in our lives.
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