elastic是什么意思,elastic怎么背,怎么记,elastic的词根词缀巧记速记方法,elastic构词,构成,中文翻译_英语词典

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elastic elastic
/ i5lAstik /

◙ adjective
1. (of an object or material) able to resume its normal shape spontaneously after contraction, dilatation, or distortion
• （物品，材料）有弹性的，有弹力的
  able to encompass much variety and change; flexible and adaptable
• 可伸缩的；灵活的，能适应的
»the definition of nationality is elastic in this cosmopolitan country.
  在这个国际化的国家里，国籍的定义是灵活的。
  [Economics] (of demand or supply) sensitive to changes in price or income
• [经济] （需求，供应）弹性的，灵活的（对价格或收入的变化敏感）
»the labour supply is very elastic.
  劳动力的供应是非常具有弹性的。
  [Physics] (of a collision) involving no decrease of kinetic energy
• [物理] （碰撞）弹性的（动能不减少）
◙ noun
1. [mass noun] cord, tape, or fabric, typically woven with strips of rubber, which returns to its original length or shape after being stretched
• （尤指织入了橡皮筋的）弹性绳索，松紧带，弹性织物

【派生】

♦ elastically adverb
♦ elasticity noun
♦ elasticize verb
1. [亦作-ise]

【语源】

1. mid 17th cent. (originally describing a gas in the sense 'expanding spontaneously to fill the available space'): from modern Latin elasticus, from Greek elastikos 'propulsive', from elaunein 'to drive'

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