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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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更新时间:2024/12/23 19:40:36