pet·ro·chem·i·cal
noun/ˌpetrəʊˈkemɪkl/
/ˌpetrəʊˈkemɪkl/
- any chemical substance obtained from petroleum oil or natural gas
石油化学产品 - the petrochemical industry
石油化学工业
Oxford Collocations DictionaryPetrochemical is used before these nouns:- plant
- the petrochemical industry