正如一位愤世嫉俗的旧主顾所说的那样，“他很可能把差额塞进了自己的腰包！”As one former customer said cynically, "He's probably pocketed the difference!"老主顾每年都会再来。Regulars return year after year.由于服务不周失去了许多老主顾.Many a customer has been lost through negli...
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....