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。
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.
在二十一世纪之初，他注意到联合国教科文组织已经同他一道对此深信不疑。
At the beginning of the twenty-first century, he could note that UNESCO had joined him in this conviction.
法国科学家路易斯.巴斯德在十九世纪之初说过： “机遇只青睐有准备的头脑” 。
Louis Pasteur, the French scientist said at the very beginning of the 19th century: "Chances favors only the prepared mind".
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