ex·trac·tion
noun/ɪkˈstrækʃn/
/ɪkˈstrækʃn/
- [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.
不同矿场的开采方法各不相同。
- oil/mineral/coal, etc. extraction
- [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
一位爱尔兰裔的年轻美国律师
- an American of Hungarian extraction
- [countable] (specialist) the process of removing a tooth
拔牙 - I didn’t like having my teeth drilled but extractions were infinitely worse.
我不喜欢钻牙，但拔牙更糟糕。
- I didn’t like having my teeth drilled but extractions were infinitely worse.
Word Originlate Middle English: via Old French from late Latin extractio(n-), from Latin extrahere ‘draw out’, from ex- ‘out’ + trahere ‘draw’.