從文本或資料中抽取
拉出來的是一段文字或一筆資料：整體留在原處，只把需要的那一小塊取走。
extract, take from writing · verb · B2
To take a short piece of writing or some facts out of a book, a list, or a computer file.
摘錄；擷取
核心畫面
Picture something being pulled out of the thing it was embedded in — a tooth from a jaw, oil from a seed, a paragraph from a book. The pulling takes effort, and what comes out is the valuable part. The noun is simply what ended up in your hand: a passage lifted from a text, or the concentrated liquid drawn from a plant.
可以想成：某樣東西被從它原本嵌著的地方拉出來——牙齒從牙床、油從種子、一段文字從一本書裡。拉出來要費點力，而拉出來的…更多收起
可以想成：某樣東西被從它原本嵌著的地方拉出來——牙齒從牙床、油從種子、一段文字從一本書裡。拉出來要費點力，而拉出來的通常是有價值的那部分。名詞用法就是最後留在你手上的東西：從書裡抽出來的一段，或從植物裡提煉出來的那瓶濃縮液。From the picture
從人或情況中取得
要拉出來的東西握在別人手上，或藏在一個處境裡：同樣費力，同樣是把有價值的部分弄出來。
extract, get reluctantly · verb · B2
To get words, a promise, or money from someone when they would rather not give it to you.
問出；套出
Also in this word
extract, take out · verb · B1
To take something out of the place it is in, especially when it is not easy to get out.
取出；拔出
extract, take from plant · verb · B1
To take a substance out of a plant, a rock, or the ground, using a machine or a special way of doing it.
提煉；萃取
原始詞典資料13 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
extractnoun/ˈɛkstɹækt/
- 1
Something that is extracted or drawn out.
- 2
A portion of a book, document, recording etc. incorporated distinctly in another work (for written or spoken words, synoymous to a citation; a quotation).
- I used an extract of Hemingway's book to demonstrate culture shock.
- 3
A decoction, solution, or infusion made by drawing out from any substance that which gives it its essential and characteristic virtue
- vanilla extract
- extract of beef
- 4
Any substance extracted is such a way, and characteristic of that from which it is obtained
- quinine is the most important extract of Peruvian bark.
- 5
A solid preparation obtained by evaporating a solution of a drug, etc., or the fresh juice of a plant (distinguished from an abstract).
- 6
obsoleteA peculiar principle (fundamental essence) once erroneously supposed to form the basis of all vegetable extracts.
- 7
Ancestry; descent.
- 8
A draft or copy of writing; a certified copy of the proceedings in an action and the judgment therein, with an order for execution.
extractverb/ɪkˈstɹækt/
- 1
To draw out; to pull out; to remove forcibly from a fixed position, as by traction or suction, etc.
- to extract a tooth from its socket, a stump from the earth, or a splinter from the finger
- The bee / Sits on the bloom extracting liquid sweet.
- 2
To withdraw by squeezing, distillation, or other mechanical or chemical process. Compare abstract (transitive verb).
- to extract an essential oil from a plant
- Mostly, the microbiome is beneficial. It helps with digestion and enables people to extract a lot more calories from their food than would otherwise be possible. Research over the past few years, however, has implicated it in diseases from atherosclerosis to asthma to autism.
- 3
To pick out; to cite or reproduce a snippet of
- extract a passage from a text.
- extract a line from a song.
- 4
To select parts of a whole
- We need to try to extract the positives from the defeat.
- 5
arithmeticTo determine (a root of a number).
- Please extract the cube root of 27.
- […] Mr. Nackybal was thoroughly examined, both in cubing and extracting, from the table that Louit had provided.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。