Word · CEFR C2 · Frequency #10700
elasticity
弹性
核心释义
the tendency of a body to return to its original shape after it has been stretched or compressed
- 1.
材料在受力变形后,卸载时能恢复原尺寸的性质。
The property by virtue of which a material deformed under load can regain its original dimensions when unloaded
- 2.
物体在被拉伸或压缩后恢复原状的倾向
the tendency of a body to return to its original shape after it has been stretched or compressed
- 3.
一个量随另一个量变化的敏感度。
The sensitivity of changes in a quantity with respect to changes in another quantity.
- 4.
衡量数据存储的数据模型和集群能力灵活性的指标。
A measure of the flexibility of a data store's data model and clustering capabilities.
- 5.
系统通过自动调配和释放资源来适应工作负载变化的能力。
A system's ability to adapt to changes in workload by automatically provisioning and de-provisioning resources.
- 6.
在某一点上,函数输出的相对变化与输入的相对变化之比,适用于无穷小变化。
The ratio of the relative change in a function's output with respect to the relative change in its input, for infinitesimal changes at a certain point.
- 7.
弹性的性质。
The quality of being elastic.
- 8.
适应性。
Adaptability.
材料在受力变形后,卸载时能恢复原尺寸的性质。；物体在被拉伸或压缩后恢复原状的倾向；一个量随另一个量变化的敏感度。；衡量数据存储的数据模型和集群能力灵活性的指标。；系统通过自动调配和释放资源来适应工作负载变化的能力。
用法In use
The elasticity of the rubber band made it snap back to its original size.
用法提示：elasticity 作名词，指物体恢复原状的性质。
Stretching exercises can improve the elasticity of your muscles.
用法提示：elasticity 在此为不可数名词，表示肌肉的弹性。
This fabric has good elasticity, so it fits comfortably without losing its shape.
用法提示：elasticity 作名词，说明布料恢复原形的能力。
the elasticity of [noun]
表示“某物的弹性”时，常用 the elasticity of + 名词。
The elasticity of the fabric makes it comfortable to wear.
这种面料的弹性使它穿着舒适。
have/show [adjective] elasticity
elasticity 通常作不可数名词，前面可直接用形容词修饰；表示“具有/显示出……弹性”。
相关词与表达Connections
搭配Collocations
- modulus of elasticity
- 弹性模量
- The modulus of elasticity of steel is higher than that of rubber.钢的弹性模量高于橡胶。
- skin elasticity
- 皮肤弹性
- Regular exercise can improve skin elasticity.经常锻炼可以改善皮肤弹性。
- loss of elasticity
- 弹性丧失
- The old rubber band has suffered a loss of elasticity.这条旧橡皮筋已经失去了弹性。
- elasticity of a material
- 材料的弹性
- The elasticity of a material determines how it responds to stress.材料的弹性决定了它对应力的反应。
- elasticity of a spring
学习提示Learner notes
记忆技巧Memory Tip
elasticity 开头藏着 elastic（有弹性的）：像橡皮筋拉长后会弹回原形——弹性就是恢复原状的能力。
语境与语域Context & Register
语域：formal 常见场景：scientific papers、engineering textbooks、physics lectures 该词通常用于学术或专业语境，如物理、材料科学等，日常口语中较少见。
语法说明Grammar Note
复数形式 elasticities 可表示不同类型或测量值，如需求的价格弹性。
发音与拼写Pronunciation & Spelling
与 elasticity 押韵的词有 electricity、publicity、simplicity、domesticity，它们的重读元音都是 /ɪ/，且后面同为 /səti/。velocity 和 capacity 拼写相似，但重读元音分别为 /ɑː/ 和 /æ/，发音不同，不押韵。
用法优先级Usage priority
Collins 词频等级为 1，建议结合例句记忆，而不是只背中文释义。
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Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.