In the 1820s, London was a city with a rapidly growing population. Both factories and homes used coal to stay in operation. As a result, air pollution posed a serious threat to both people and plants. Nathaniel Bagshaw Ward, a young doctor who loved studying plants and insects, often felt upset about the city’s poor air quality. One day in 1829, he noticed that a grass plant had grown from the wet soil inside a sealed glass container he had made for an insect.
1820 年代的伦敦是一座人口快速成长的城市。当时无论是工厂还是家庭，都依靠燃烧煤炭来维持运作。结果，空气污染对人类与植物都构成了严重威胁。纳撒尼尔．巴格肖．沃德是一位热爱研究植物与昆虫的年轻医生，他经常因城市恶劣的空气品质而感到沮丧。1829 年某一天，他注意到一株草从他为昆虫准备的密封玻璃容器里的湿土中长出来。
生活必备字词：
in operation 在运作
operation n. 运作
pose a threat to... 对……构成威胁
threat n. 威胁
sealed a. 密封的
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本文节录自《常春藤生活英语》杂志，完整内容请见十月号。
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