Pronunciation of the English word ddt.
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1. | DDT is a carcinogen which was commonly used in the 1940s, 1950s, and 1960s. | |
2. | DDT is a famous carcinogen. | |
3. | That first Earth Day was so important in part because we brought together a huge basket of different issues: urban air pollution, freeways cutting through neighborhoods, leaded paint, DDT, the Santa Barbara oil spill, rivers catching on fire. |