| 正面 | 8246.petroleum 英 [pɪ'trəʊlɪəm]美 [pə'trolɪəm]     |
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| 背面 |      释义： 1. immerse in 沉浸在。n. 石油 例句： 1. Petroleum engineers plan and manage the extraction of oil.石油工程师规划并管理石油的提炼。 petroleum 石油，原油来自拉丁语petroleum,石油，来自petra,石头，词源同petrology,oleum,油，词源同oil. petroleum (n.)early 15c. "petroleum, rock oil" (mid-14c. in Anglo-French), from Medieval Latin petroleum, from Latin petra "rock" (see petrous) + oleum "oil" (see oil (n.))." |