单词 | man-made chemical |
释义 | man-made chemical Only radioactive materials and a few man-made chemical contaminants would last longer - an invisible legacy. Times, Sunday Times Chances are, you're on friendlier terms with these man-made chemicals than you realise. The Sun However, the word has come to mean man-made chemicals, usually with real or suspected harmful effects. Times, Sunday Times It can be caused by man-made chemicals from plastics, pesticides, etc. The Sun In 1986 the team discovered that man-made chemicals were to blame. Times, Sunday Times |
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