elastic
/ɪˈlæstɪk/
adj. / n.
标准词条
CET-4
一句话记住
有弹性的;灵活的;可伸缩的;松紧带;橡皮圈;弹性织物
释义与例句
adj.
有弹性的;灵活的;可伸缩的
able to return to its original shape after being stretched, or able to change or be changed easily
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The band is made of elastic material that stretches easily.
这条带子由容易拉伸的弹性材料制成。
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We need a more elastic approach that can adapt to new situations.
我们需要一种更灵活、能适应新形势的方法。
展开其余 1 条例句
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Demand for luxury goods is usually more elastic than demand for food.
奢侈品的需求通常比食品需求更具弹性。
n.
松紧带;橡皮圈;弹性织物
a type of rubber band or material that can stretch and return to its original shape
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She used a piece of elastic to tie back her hair.
她用一根松紧带把头发扎起来。
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The elastic in these trousers has gone loose.
这条裤子的松紧带已经松了。
展开其余 1 条例句
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Hold the papers together with an elastic band.
用一根橡皮筋把文件捆在一起。
词源与构词
记忆钩子
elastic 作名词常说 an elastic band(橡皮筋);作形容词可修饰 material、approach、demand 等;经济学中 elastic demand 指“弹性需求”。
词族与关联词
词族(同一词根派生出的不同词性或形式)
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elasticity 弹性;灵活性elasticity 是名词,指弹性或灵活性,也用于经济学表示需求弹性。
同义词
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flexible 灵活的;可弯曲的elastic 强调物体能恢复原状的弹性,也用于抽象意义的“灵活”;flexible 更常用于人、计划、制度等“灵活、可变通”。A flexible schedule allows employees to choose their working hours. 灵活的时间表允许员工选择自己的工作时间。
常见搭配
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elastic band 橡皮筋;松紧带Keep the elastic band around the stack of cards so they don't get lost. 用橡皮筋把那一沓卡片捆好,免得弄丢。
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elastic clause 弹性条款The contract includes an elastic clause to allow for price changes. 合同包含一条弹性条款,允许价格变动。
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elastic demand 弹性需求When prices rise sharply, products with elastic demand see a drop in sales. 价格大幅上涨时,需求弹性大的产品销量会下降。