名詞 e-:

1. a fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body
   同義詞：vitamin E, tocopherol, E
2. a radioactive transuranic element produced by bombarding plutonium with neutrons
   同義詞：einsteinium, Es, E, atomic number 99
3. the cardinal compass point that is at 90 degrees
   同義詞：east, due east, eastward, E
4. the base of the natural system of logarithms; approximately equal to 2.718282...
   同義詞：e
5. the 5th letter of the Roman alphabet
   同義詞：E, letter e

e- also E-
pref.（前綴）
Computer or computer network:
e化的，電子化的：計算機或計算機網(wǎng)絡的：
例句：
e-cash; e-zine.
電子現(xiàn)金；電子報

來源：
From e-mail
From e-mail