Many scientists now attribute much of the warming of early Earth to oxygen-intolerant microbes—methanogens—that produce the greenhouse gas methane.
现在,许多科学家把早期造成地球变暖的大部分原因归结于厌氧微生物——产甲烷菌——它产生了温室气体甲烷。
Coal gas rivaled smoky oil lamps and flickering candles, and early in the new century, well-to-do Londoners grew accustomed to gaslit houses and even streets.
煤气可与烟雾缭绕的油灯和摇曳不定的蜡烛相媲美,在新世纪之初,富裕的伦敦人逐渐习惯了有煤气照明的房子,甚至街道。
Hyundai's messages of the early clunker rebates, along with Assurance and the Gas Lock programs, gave the marketer "a better and richer story to tell, " he said.
现代汽车早先的旧车回扣口号,和担保计划与油价补贴计划一起,给了营销商更精彩和更丰富的故事去讲,“他说到。
So energy expert Eric Potter says it is too early to know how the new gas shale reserves will affect the market.
VOA: special.2009.10.23
Those infrared emissions will allow the telescope to peer through cosmic dust and gas to see things like the evolution of early stars and galaxies.
VOA: standard.2009.05.14
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