It was 1905 in Chicago when Dr Alice Hamilton first noticed that carers wearing masks to treat scarlet fever patients, did not get sick.
就是在1905年的芝加哥，那时爱丽丝·汉密尔顿医生第一次注意到戴口罩照顾猩红热疾病的看护者没有生病。
Alice Hamilton
原声例句
6 Minute English 六分钟英语
中文百科
艾丽斯·汉密尔顿
艾丽斯·汉密尔顿（英语：Alice Hamilton，1869年2月27日－1970年9月22日），是美国工业医学领域先驱、首位在哈佛大学医学院执教的女性。她是毒物学领域的开拓者之一，研究包括职业疾病、工业重金属和化学材料对人体的危害等。
英语百科
Alice Hamilton 艾丽斯·汉密尔顿
Alice Hamilton (February 27, 1869 – September 22, 1970) was the first woman appointed to the faculty of Harvard University and was a leading expert in the field of occupational health. She was a pioneer in the field of toxicology, studying occupational illnesses and the dangerous effects of industrial metals and chemical compounds on the human body.
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