Extract
[ '?kstr?kt ]
第3級
其它 Other
vt. 提取;（費力地）拔出;選取;獲得;
?? 詞根助記
ex出，出去+tract拉→拉出→ 抽出，拔出
?? 例句
The extract is analyzed by means of gas-liquid chromatography.
人們用氣液態(tài)色譜法對提取物進行分析。
Data mining is to extract knowledge from information.
資料開采是從各種資訊中獲得知識。
It may be possible to extract more from individual lenders.
或許可能從個別貸款人那獲取更多的資金。
The police extracted some information from the thief.
警察從小偷口中問出了一些情況。
A variety of dilute mineral acids are used to extract the anions.
用各種稀的無機酸來萃取陰離子。
?? 聯(lián)想助記
【記】※ extra-額外的,extract-摘錄:他將額外的工作摘錄下來
※ extra-額外的,ct-拼音“餐廳”:我從這個額外的餐廳里提出了很多食物標本
※ ex-拼音“惡心”,tr-拼音“土人”,act-動作:惡心的土人做了一個“拔出”的動作
? 同義詞
?? 反義詞
?? 詞根
-strict-表示“拉緊”
常見變體有-stress-、-strain-、-string-
?? 牛津釋義
extract
v[Tn, Tn.pr]
~ sth (from sb/sth)
1
(a) take or get sth out, usu with effort or by force 取出; 拔出
extract a cork from a bottle 拔出瓶塞
have a tooth extracted 拔牙.
(b) obtain (money, information, etc) usu from a person unwilling to give it 獲取（錢、 消息等）（通常指獲自不愿給予者）; 強索
extract a contribution from everyone 硬要大家捐獻
The police finally extracted the information after hours of questioning. 警方經(jīng)數(shù)小時盤問, 終於套得這一情報.
It took me days to extract the truth from her. 我用了幾天時間才從她那兒打探出事實真相.
2 obtain (juices, etc) by crushing, pressing, etc 壓出, 榨出（汁液等）
extract juice from oranges 榨出橙子汁
extract oil from olives, sunflower seeds, etc 榨出橄欖、 葵花籽等的油.
3 select and present (passages, examples, words, etc) from a book, speech, etc 從書、 講話等中選取（段落, 例子, 詞句等）; 摘錄; 選錄
poems extracted from a modern collection 由一本當代詩集中摘選的詩篇
She extracted passages for the students to translate. 她選了些短文讓學生翻譯.
extract n
1 [U, C] substance that has been extracted (extract 2) and concentrated 榨出物; 濃縮物; 精; 汁
beef extract 濃縮的牛肉汁
extract of malt 麥芽精
yeast extract, ie a savoury spread 酵母萃.
2 [C] passage selected (from a poem, book, film, piece of music, etc) （從詩歌、 書、 電影、 樂曲等）精選的段落; 摘錄; 選錄; 選曲
a short extract from a piano sonata 鋼琴奏鳴曲的選曲
an extract from a long poem 長詩選萃
She read out extracts from his letters. 她從他的信中挑了幾段念出.
?? 考研助記
tractor拖拉機-tract(拉)的東西(or) ex(向外)+tract(拉):拉出來- 提取extract a(=to)+tract(拉):反復去拉- 吸引attract 網(wǎng)友：yqy 補充：ex(向外)+tract(小冊子):從小冊子中拿出來-－摘錄、提取
?? 擴展釋義
*[ik'str?kt]n. 榨出物, 精汁, 摘錄, 選段vt. (費力地)取出, 采掘, 榨取, 摘錄, 吸取【計】 提取【化】 抽取; 提取; 萃取; 浸膏; 浸膏劑; 萃取液; 提取液【醫(yī)】 提取, 浸膏, 浸出物
?? 同詞根單詞
?? 同為「博士」詞匯
查看全部博士詞匯 ›??? 情景例句
Several weeks after that, I will plant them in rows in the field.
再過幾個星期，我還要把它們一行行地栽到菜地里。
Of course. I love sports.
當然。我喜愛體育活動。
Then we'd better pick the rest of these cabbages before the weather changes.
那么我們最好在天氣變化之前就把其余的包心菜都收回來。