单词：F-DDT
[=difluorodiphenyltrichloroethane]二氟二苯三氯乙烷,氟滴滴涕
单词：F-DDT 相关文章
African Countries Debate Using DDT in Anti-Malaria Efforts The chemical pesticide DDT has been banned by most countries for use in agriculture, but some continue to use it indoors to kill insects that carry malaria. In Zambia, it's an important part
发表于:2019-01-14 / 阅读(287) / 评论(0)
VOA标准英语2011年(七月)
VOA标准英语2011年(七月)
By Lisa Schlein Geneva 02 May 2006 Environmentalists are calling for the elimination of the toxic chemical, DDT, which is still used in large parts of Africa to combat malaria. The continued use of DD
发表于:2019-02-12 / 阅读(418) / 评论(0)
2006年VOA标准英语（五月）
2006年VOA标准英语（五月）
As Uganda looks to eliminate malaria, the country is engaged in a debate(辩论会) over the use of chemicals such as DDT in some of the world's most malarial regions. In the district of Apac in northern Uganda, the risk of malaria is higher than any
发表于:2019-02-17 / 阅读(281) / 评论(0)
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