石油、天然气、煤炭以及其他许多电力资源,是不可再生的:它们被利用后,也就被消耗完毕,从而导致其价格上升并使其未来的产量增长受到限制。
Oil, natural gas, coal, and many of the sources of electricity are nonrenewable----as they are used, they are also used up, raising prices and limiting further increases in productivity.
石油、天然气、煤炭以及其他许多电力资源,是不可再生的:它们被利用后,也就被消耗完毕,从而导致其价格上升并使其未来的产量增长受到限制。
Oil, natural gas, coal, and many of the sources of electricity are nonrenewable----as they are used, they are also used up, raising prices and limiting further increases in productivity.
应用推荐