However , the total energy should be conserved .

而然总能量仍然是守恒的。

To mitigate it , natural forests must be conserved .

为减小其影响，天然森林就必须得到保护。

John slipped his coffee , made from his carefully conserved supply brought with him from england .

约翰慢慢地品尝他从英国带来的并保存得很好的咖啡。

He added that nepal 's future depends upon the water and water needs to be conserved properly .

并补充到：尼泊尔的未来取决于以后对水的需求和妥善保守。

He hopes that land can be conserved by resettling villagers into fewer and more densely populated towns .

他希望将村民安置在少数人口更稠密的城镇，从而节约土地。