| 单词 | DDT |
| 释义 | DDT (once / 12160 pages) n WORD FAMILY DDT: DDTS USAGE EXAMPLESRemember DDT, the pesticide used through the 1970s in the United States? Washington Post(Dec 15, 2016) “These increases are correlated with the decay in residual environmental DDT concentrations and growing human populations, but not with temperature.” Washington Times(Dec 08, 2016) The Spirit calls these dangers the Unforgiving Four of radiation, toxic heavy metals, the virus explosion and DDT. The Guardian(Nov 13, 2016) n an insecticide that is also toxic to animals and humans; banned in the United States since 1972 Syn|Hyper dichlorodiphenyltrichloroethane pollutant waste matter that contaminates the water or air or soil insect powder, insecticidea chemical used to kill insects |
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