e_

 
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e_的英文翻譯是什么意思,詞典釋義與在線(xiàn)翻譯:

英英釋義

名詞 e:
  1. a fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body

  2. a radioactive transuranic element produced by bombarding plutonium with neutrons

  3. the cardinal compass point that is at 90 degrees

  4. the base of the natural system of logarithms; approximately equal to 2.718282...

  5. the 5th letter of the Roman alphabet

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