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/ˌdiːˈdiːˈtiː/
滴滴涕（一种有机氯杀虫剂）
DDT 🔊 was 🔊 once 🔊 widely 🔊 used 🔊 to 🔊 control 🔊 malaria 🔊 , but 🔊 its 🔊 use 🔊 has 🔊 been 🔊 banned 🔊 in 🔊 many 🔊 countries 🔊 due 🔊 to 🔊 environmental 🔊 concerns 🔊 .
滴滴涕曾经被广泛用于控制疟疾，但由于环境问题，在许多国家已被禁止使用。
DDT was once widely used to control malaria, but its use has been banned in many countries due to environmental concerns.
