However, flight required an incredible amount of energy, replenished through the consumption of concentrated foods and high-energy egg-seeds. 然而，飛行的能量需要出奇巨大，這些能量由食用濃縮的食物和高能量的蛋種子來補充。
In the wild, the energy requirement of a raptor dictates the amount of food, which it needs to eat. 在野外，一隻猛禽的能量需求決定了它需要吃的食物量。
The continued growth of energy demand requires that energy resources must be developed with the utmost vigour. 對能量需求的持續增長需要用最大的努力去開發能源。
