詞彙精選：extract的用法和辨析
一、詳細釋義：
n.
提取物，精華；汁
例句：
He likes drinking lemon extract.
他喜歡喝檸檬汁。
例句：
Add a teaspoon of vanilla extract to the milk shake.
在雪果中加一茶匙香草精。
摘錄，選段；選粹，選曲
例句：
The teacher offered us an extract from a long novel to appreciate.
老師讓我們欣賞了長篇小說節選。
例句：
This is a short extract from a piano sonata.
這是一首鋼琴奏鳴曲中的選曲。
v.
摘錄，節選 [T]
例句：
Language teachers often extract examples from grammar books.
語言教師常從語法書裏摘錄例句。
例句：
I've simply extracted a few figures.
我只是摘錄了一些數據。
獲取，榨取 [T]
例句：
His development policies have extracted cash from the city centre.
他的發展政策已經從市中心榨取了收益。
例句：
He sought to extract the maximum political advantage from the cut in interest rates.
他試圖從降息中牟取最大的政治好處。
設法得到；探出 [T]
例句：
He always manages to extract some humor from every situation.
他總是設法從各種場合中找出某些幽默之處。
例句：
He used her cash card, and the PIN number he had extracted from her, to take £500 from cashpoints.
他套出了她的現金卡密碼，然後用她的卡從自動提款機中取走了500英鎊。
提取，提煉；挖掘 [T]
例句：
We can extract oil from shale.
我們可以從頁岩中提取石油。
例句：
We can extract oil from olive.
我們可自橄欖中榨油。
拔出，取出，抽出 [T]
例句：
She reached into the wardrobe and extracted another tracksuit.
她伸手又從衣櫥裏取出一件運動服。
例句：
He extracted a small notebook from his hip pocket.
他從屁股兜裏摸出一個小筆記本。
拔（牙） [T]
例句：
A dentist may decide to extract the tooth to prevent recurrent trouble.
牙醫可能會決定拔掉那顆牙，以免反覆發作。
例句：
She is to go and have a tooth extracted at 3 o'clock today.
她今天3點要去拔顆牙。
二、詞義辨析：
quotation,extract
這兩個名詞均有“引文、引語”之意。quotation常指篇幅較短的引語。extract指選錄或摘錄，一般較長。
三、相關短語：
vanilla extract
香草精
lemon extract
檸檬香精
四、參考例句：
We can extract oil from shale.
我們可以從頁岩中提取石油。
We can extract oil from olive.
我們可自橄欖中榨油。
Extract some features from the contour of the leaf.
從葉子的輪廓中提取一些特徵參數。
The following extract is taken from her new novel.
下面一段摘自她的新小說。
They are unlikely to extract much benefit from the trip.
他們不大可能從這次旅行中獲得很多益處。
The first part is to extract each packet.
第一部分是提取每一個數據包。
He always manages to extract some humor from every situation.
他總是設法從各種場合中找出某些幽默之處。
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.
這是一首鋼琴奏鳴曲中的選曲。
Language teachers often extract examples from grammar books.
語言教師常從語法書裏摘錄例句。
