| 单词 | petrochemicals |
| 释义 | petrochemicals From Longman Business Dictionarypetrochemicalspet‧ro‧chem‧i‧cals /ˌpetrəʊˈkemɪkəlz-troʊ-/ noun [plural]MANUFACTURINGORGANIZATIONS the industrial activity of making products from oil, and the products themselvesThey are diversifying into petrochemicals and biotechnology.plastic bottles made from petrochemicals |
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