Word · Frequency #21966
constancies
持久不变；恒定；坚贞
constancies is the plural of constancy.
The quality of being constant, steady, and enduring; faithfulness in action, affection, or purpose; an unchanging quality or characteristic of a person or thing.
- 1.
The quality of being constant; steadiness or faithfulness in action, affections, purpose, etc.
- 2.
the quality of being enduring and free from change or variation
持久且不变或无变化的品质
- 3.
An unchanging quality or characteristic of a person or thing.
- 4.
(psychology) the tendency for perceived objects to give rise to very similar perceptual experiences in spite of wide variations in the conditions of observation
知觉恒常性:在观察条件变化时,感知对象仍引起相似知觉体验的倾向
- 5.
faithfulness and dependability in personal attachments (especially sexual fidelity)
忠实可靠:在个人关系中(尤指性忠诚)的忠诚与可靠
忠诚；专一；（尤指爱情中的）忠贞；知觉恒常性；感知恒常性；持久且不变或无变化的品质；知觉恒常性:在观察条件变化时,感知对象仍引起相似知觉体验的倾向；忠实可靠:在个人关系中(尤指性忠诚)的忠诚与可靠
In use
Her constancy to her old friends impressed everyone.
The constancy of the temperature in the lab is important for the experiment.
Through all the difficulties, his constancy never wavered.
early mariners relied on the constancy of the trade winds
the constancy of sth
强调某事物自身持续不变的性质。
The constancy of the seasons is a comfort to many people.
四季的恒常令许多人感到安心。
constancy in sth
强调在某个方面或行为中表现出的稳定或忠贞。
He values constancy in friendships.
他重视友谊中的忠诚。
Connections
Collocations
- perceptual constancy
- 知觉恒常性（观察条件变化时感知保持稳定的倾向）
- Perceptual constancy allows us to recognize a friend's face in different lighting.知觉恒常性使我们在不同光线下仍能认出朋友的脸。
- color constancy
- 颜色恒常性（不同光照下颜色感知保持一致的倾向）
- Color constancy explains why a white shirt looks white in both sunlight and shade.颜色恒常性解释了为什么白衬衫在阳光下和阴影里看起来都是白的。
- size constancy
- 大小恒常性（距离变化时物体大小感知保持不变的倾向）
- Size constancy helps a driver judge the distance of an approaching car.大小恒常性帮助驾驶员判断来车的距离。
- constancy of purpose
- 目标的坚定不移
- Her constancy of purpose carried her through years of difficult research.她对目标的坚定不移支撑她度过了多年艰难的研究。
- with constancy
- 坚定地；忠贞不渝地
- He served the community with constancy for decades.
Learner notes
Memory Tip
记住 constant（恒定）→ constancy（恒常、忠贞）；想象一颗恒星永远不变，对感情也始终如一。
Context & Register
语域：formal 常见场景：formal essays、literary texts、character trait descriptions constancy 指“持久不变”或“忠诚坚定”时，属于较正式、书面化的用语，常用于文学或论述性文本；日常口语中较少见，更普通说法如 steadiness、loyalty。
Grammar Note
心理学义项中常用复数形式 constancies，指不同类型的知觉恒常性（如大小恒常性、形状恒常性）。
Pronunciation & Spelling
真正押韵的只有 inconstancy /ɪnˈkɑnstənsi/，它与 constancy /ˈkɑnstənsi/ 的重读音节及之后的读音相同。pregnancy /ˈprɛɡnənsi/、vacancy /ˈveɪkənsi/ 虽也以 -ancy 结尾，但重音元音不同，不是韵词；frequency /ˈfriːkwənsi/、tendency /ˈtɛndənsi/、emergency /ɪˈmɜːrdʒənsi/ 以 -ency 结尾，词尾虽都读 /ənsi/，但重音或元音不同，只是拼写相似的近似词。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.