Mr. Hughes, using Mr. Howarth's calculations, also concludes that replacing coal with natural gas for base load electricity production will most likely make greenhouse gas emissions worse.
Russia's boom has a more fragile base: the rising price of oil and gas.
俄罗斯的繁荣则建立在一个相对脆弱的基础上：石油与天然气价格的上涨。
3
It would take days for the gas to fill the condo before it reached the compressor at the base of the refrigerator and the compressor's electric motor set off the explosion.