200 million people in the world infected with the worm that causes schistosomiasis,some 20 million suffer severe consequences.
世界上患有
吸虫病
2亿人中有约2000万人承受着严重
。
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慢速英语
慢速英语
As farming intensified, manure-polluted water allowed diseases such as polio, cholera, typhoid and hepatitis to thrive, while irrigation water provided breeding grounds for the parasites that cause malaria and schistosomiasis.
随着农业的加剧,粪便污染的水源使得小儿麻痹症、霍乱、伤寒和肝炎等疾
得以滋生,而灌溉水则成为引发疟疾和血吸虫
的寄生虫的温床。