英语释义
1
n a radioactive transuranic element produced by bombarding plutonium with neutrons
2
n a fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body
3
n a radioactive transuranic element produced by bombarding plutonium with neutrons
4
n the cardinal compass point that is at 90 degrees
5
n the base of the natural system of logarithms; approximately equal to 2.718282...
6
n the 5th letter of the Roman alphabet