ex·tract

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【释义】：

vt．❶ 抽出，拔出，钳出：extract a tooth拔牙．extract a bullet from a wound从伤口取出子弹．❷ 强求，力取：extract a promise力求答应．❸ 提炼(液体)：extract oil from cotton-seed从棉子中榨油．❹ 推敲，演绎：extract the meaning of a word推敲一个字的含义．❺ 摘录，引用：extract passages from a magazine从杂志中摘录几段．❻ 【数】开(方)：extract the root开方，求根．

－n．❶ 提出物，精华，汁：extract of beef牛肉汁．❷ 摘录，节录：extracts from a book一本书的节录．