我之所以得到提拔是由于立下了所谓的英勇卓越的功勋。I had been promoted for what was called gallant and meritorious service.奖章上刻有“功勋卓越”的字样。The medal bears the inscription "For distinguished service".奖章上刻有“功勋卓越”的字样。The medal bears the inscription &...
原子的分裂the splitting of the atom核反应堆是分裂原子的装置.A nuclear reactor is the apparatus in which atoms are split.碱金属原子的价原子具有两种能态.The valence atom of an alkali - metal atom has two states....