- [uncountable, countable]
the act or process of removing or obtaining something from something else 提取;提炼;拔出;开采 oil/mineral/coal, etc. extraction 石油、矿物、煤等的开采 the extraction of salt from the sea 从海水中提取盐 Commercial peat extraction is destroying many threatened habitats. 商业性泥炭开采正在破坏许多受威胁的栖息地。 Methods of extraction vary from mine to mine. 提取方法因地而异。
- [uncountable] of… extraction (formal)
having a particular family origin (有…)血统;族裔 an American of Hungarian extraction 匈牙利血统的美国人 a young American lawyer of Irish extraction 一位爱尔兰裔美国人的年轻美国律师
- [countable] (specialist)
the process of removing a tooth 拔牙 I didn’t like having my teeth drilled but extractions were infinitely worse. 我不喜欢自己钻牙,但拔牙的方法无穷无尽。
Word Originlate Middle English: via Old French from late Latin extractio(n-), from Latin extrahere ‘draw out’, from ex- ‘out’ + trahere ‘draw’.