extraction

ik'strækʃәn
六级

英文释义

n. the process of obtaining something from a mixture or compound by chemical or physical or mechanical means
n. the action of taking out something (especially using effort or force)

中文翻译

n. 抽出, 取出, 拔出术, 抽出物
[化] 萃取; 提取

7,879
BNC 频率
10,457
使用频率

记忆技巧

extraction 由前缀 ex-（表示“向外”）和词根 tract（表示“拉、拖”）以及后缀 -ion（表示“名词”）构成，意思是“拉出、提取”。

例句

1. The extraction of the tooth was quick and painless.
拔牙的过程很快且没有疼痛。
2. Scientists are studying the extraction of natural resources from the earth.
科学家们正在研究从地球提取自然资源。
3. The extraction of information from the database took several hours.
从数据库中提取信息花了几个小时。

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