柯林斯詞典petrochemical /?p?tr???k?m?k?l/ (also petro-chemical) (petrochemicals) 1. N-COUNT Petrochemicals are chemicals that are obtained from petroleum or natural gas. 石油化工産品[usu pl] 返回 petrochemical劍橋詞典any chemical substance obtained from petroleum or natural gas 石（油）化（學(xué)）制品 the petrochemical industry 石（油）化（學(xué)）工業(yè) 返回 petrochemical