词汇精选：extract的用法和辨析
一、详细释义：
n.
提取物，精华；汁
例句：
He likes drinking lemon extract.
他喜欢喝柠檬汁。
例句：
Add a teaspoon of vanilla extract to the milk shake.
在雪果中加一茶匙香草精。
摘录，选段；选粹，选曲
例句：
The teacher offered us an extract from a long novel to appreciate.
老师让我们欣赏了长篇小说节选。
例句：
This is a short extract from a piano sonata.
这是一首钢琴奏鸣曲中的选曲。
v.
摘录，节选 [T]
例句：
Language teachers often extract examples from grammar books.
语言教师常从语法书里摘录例句。
例句：
I've simply extracted a few figures.
我只是摘录了一些数据。
获取，榨取 [T]
例句：
His development policies have extracted cash from the city centre.
他的发展政策已经从市中心榨取了收益。
例句：
He sought to extract the maximum political advantage from the cut in interest rates.
他试图从降息中牟取最大的政治好处。
设法得到；探出 [T]
例句：
He always manages to extract some humor from every situation.
他总是设法从各种场合中找出某些幽默之处。
例句：
He used her cash card, and the PIN number he had extracted from her, to take £500 from cashpoints.
他套出了她的现金卡密码，然后用她的卡从自动提款机中取走了500英镑。
提取，提炼；挖掘 [T]
例句：
We can extract oil from shale.
我们可以从页岩中提取石油。
例句：
We can extract oil from olive.
我们可自橄榄中榨油。
拔出，取出，抽出 [T]
例句：
She reached into the wardrobe and extracted another tracksuit.
她伸手又从衣橱里取出一件运动服。
例句：
He extracted a small notebook from his hip pocket.
他从屁股兜里摸出一个小笔记本。
拔（牙） [T]
例句：
A dentist may decide to extract the tooth to prevent recurrent trouble.
牙医可能会决定拔掉那颗牙，以免反复发作。
例句：
She is to go and have a tooth extracted at 3 o'clock today.
她今天3点要去拔颗牙。
二、词义辨析：
quotation,extract
这两个名词均有“引文、引语”之意。quotation常指篇幅较短的引语。extract指选录或摘录，一般较长。
三、相关短语：
vanilla extract
香草精
lemon extract
柠檬香精
四、参考例句：
We can extract oil from shale.
我们可以从页岩中提取石油。
We can extract oil from olive.
我们可自橄榄中榨油。
Extract some features from the contour of the leaf.
从叶子的轮廓中提取一些特征参数。
The following extract is taken from her new novel.
下面一段摘自她的新小说。
They are unlikely to extract much benefit from the trip.
他们不大可能从这次旅行中获得很多益处。
The first part is to extract each packet.
第一部分是提取每一个数据包。
He always manages to extract some humor from every situation.
他总是设法从各种场合中找出某些幽默之处。
Add a teaspoon of vanilla extract to the milk shake.
在雪果中加一茶匙香草精。
This is a short extract from a piano sonata.
这是一首钢琴奏鸣曲中的选曲。
Language teachers often extract examples from grammar books.
语言教师常从语法书里摘录例句。
