The two principal combustion products are water vapor and carbon dioxide.两种主要的燃烧产物是水蒸气和二氧化碳。The car windows were fogged with vapor.车窗上满是雾气。When nitric acid is poured on copper, a brown vapor gives off.将硝酸倒在铜上, 会散发出一种棕色的蒸...
For years he was a boffo box office certainty.多年来,他一直是票房收入的保证.There is too little certainty about the present state of the German economy.德国当前的经济非常不稳定。It is impossible to say with certainty what Ichthyostega was doing as...
After a couple of brandies Michael started telling me his life story.喝了两杯白兰地后，迈克尔开始向我讲述他的生平。Cognac and Armagnac are fine brandies.科尼亚克和阿马尼亚克是两种优质白兰地.David poured two brandies with an unsteady hand.戴维用颤抖的手倒了两杯白兰地....
The two policemen were joined by another policeman also carrying a pistol.另一名持枪警察和那两名警察会合了。The policeman smiled at her. "Pretty dog."— "Oh well, thank you."警察冲她笑了笑，“这狗真漂亮。”——“哦，谢谢。”"Good lord, that's what he is: he&...