B2 to remove or take out something:
The tooth was eventually extracted.
› to make someone give you something when they do not want to:
After much persuasion they managed to extract the information from him.
更多范例
- At the nuclear reprocessing plant they extract plutonium from spent atomic fuel rods.
- A refining process is used to extract usable fuel from crude oil.
- The doctor succeeded in extracting the peanut from Jack's nose.
- Essential oils are extracted from flower, leaves, fruits and all kinds of different plants.
- They extract the oil from the seeds for use in cooking and manufacturing.
词库：同义词和关联词
extract noun (PLANT)
› [ C or U ] a substance taken from a plant, flower, etc. and used especially in food or medicine:
extract noun (WRITING)
B2 [ C ] a particular part of a book, poem, etc. that is chosen so that it can be used in a discussion, article, etc.:
They published an extract from his autobiography.
词库：同义词和关联词
