
derivative
词源
源自中古法语 dérivatif,来自拉丁语 derivativus,源自 derivare(意为'引出,衍生')。
noun
❶ 衍生物或派生物,指从某事物中发展或衍生出来的东西,通常指化学物质或金融产品。
“Many drugs are derivatives of natural compounds found in plants.”
(许多药物是从植物中发现的天然化合物衍生而来的。)
“The financial crisis was partly caused by complex derivatives.”
(金融危机部分是由复杂的金融衍生品引起的。)
❶ 数学中的导数,表示函数在某一点的变化率,是微积分的基本概念之一。
“The derivative of the function f(x) = x² is f'(x) = 2x.”
(函数f(x) = x²的导数是f'(x) = 2x。)
“Understanding derivatives is essential for studying calculus.”
(理解导数对于学习微积分至关重要。)
adjective
❶ 模仿的或缺乏原创性的,指作品或想法主要基于他人成果而非创新。
“His painting style was derivative of Picasso's early works.”
(他的绘画风格模仿了毕加索的早期作品。)
“The movie was criticized for its derivative plot.”
(这部电影因情节缺乏原创性而受到批评。)
常见短语
financial derivative — 金融衍生品,指其价值基于基础资产(如股票、债券或商品)的金融合约。
“Options and futures are common types of financial derivatives.”
(期权和期货是常见的金融衍生品类型。)
derivative work — 衍生作品,指基于已有作品创作的新作品,如改编、翻译或续集等。
“The movie is a derivative work based on the original novel.”
(这部电影是根据原著小说改编的衍生作品。)