constant的释义,constant的翻译、助记、读音、用法、例句

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●词性:形容词 (约70%)

♬英/ˈkɒnstənt/ 美/ˈkɑːnstənt/

⊕1、持续不断的(频率/存在)

→Happening repeatedly or existing all the time without stopping.

使用率:高频(约55%)

用法:仅作定语/表语;可修饰抽象/具象名词;无比较级

常用搭配:

constant noise (持续噪音)

constant pressure (持续压力)

remain constant (保持不变)

例句:

The ☞constant☜ rain flooded the streets for days.

(☞持续不断的☜大雨让街道积水多日。)

Babies need ☞constant☜ attention during the first year.

(婴儿第一年需要☞持续的☜关注。)

Her ☞constant☜ complaints made the atmosphere tense.

(她☞没完没了的☜抱怨让气氛紧张。)

The machine requires ☞constant☜ maintenance to function well.

(机器需要☞持续的☜维护才能正常运转。)

We felt ☞constant☜ vibrations from the construction site.

(我们感受到建筑工地传来的☞持续☜震动。)

He checked his phone with ☞constant☜ anxiety.

(他带着☞持续的☜焦虑查看手机。)

The desert has ☞constant☜ high temperatures in summer.

(沙漠夏季有☞持续☜高温。)

☞Constant☜ interruptions affected my concentration.

(☞不断的☜干扰影响我的专注力。)

⊕2、忠贞不渝的(情感/忠诚)

→Staying faithful and loyal over a long period.

使用率:低频(约5%)

用法:作定语/表语;文学化表达;修饰人/情感

常用搭配:

constant lover (忠贞的爱人)

constant support (不变的支持)

remain constant (矢志不渝)

例句:

She was his ☞constant☜ companion through all difficulties.

(她是他在所有困境中☞忠实的☜伴侣。)

His ☞constant☜ devotion to charity inspired many.

(他对慈善事业☞持久的☜奉献激励了众人。)

The soldier showed ☞constant☜ loyalty to his country.

(这名士兵对国家表现出☞坚定不移的☜忠诚。)

Throughout her illness, he remained a ☞constant☜ presence.

(她患病期间,他始终☞不离不弃☜。)

Dogs are known for their ☞constant☜ affection.

(狗以☞始终如一的☜情感著称。)

The poet praised his ☞constant☜ love in the verses.

(诗人在诗句中歌颂他☞忠贞的☜爱情。)

Her ☞constant☜ friendship helped him recover.

(她☞始终如一的☜友谊帮助他康复。)

The old tree was a ☞constant☜ feature of the landscape.

(那棵古树是这片风景中☞永恒的☜存在。)

●词性:名词 (约30%)

♬英/ˈkɒnstənt/ 美/ˈkɑːnstənt/

⊕1、常数(数学/科学)

→A fixed value in mathematics or science that does not change.

使用率:中高频(约20%)

用法:可数名词;专业术语

常用搭配:

mathematical constant (数学常数)

gravitational constant (引力常数)

constant value (恒定值)

例句:

Pi (π) is the most famous mathematical ☞constant☜.

(圆周率是最著名的数学☞常数☜。)

The speed of light is a fundamental ☞constant☜ in physics.

(光速是物理学中的基本☞常数☜。)

Einstein used the cosmological ☞constant☜ in his equations.

(爱因斯坦在方程中使用宇宙学☞常数☜。)

Calculate the area using this ☞constant☜ in the formula.

(在公式中使用这个☞常数☜计算面积。)

The ☞constant☜ "g" represents gravity acceleration.

(☞常数☜"g"代表重力加速度。)

In programming, declare the value as a ☞constant☜.

(编程中将该值声明为☞常量☜。)

The experiment confirmed the stability of this ☞constant☜.

(实验证实了该☞常数☜的稳定性。)

Chemical reactions depend on equilibrium ☞constants☜.

(化学反应取决于平衡☞常数☜。)

⊕2、不变的事物(抽象概念)

→Something that stays the same in changing circumstances.

使用率:低频(约10%)

用法:可数名词;哲学/文学语境

常用搭配:

life's constants (生活的不变量)

the only constant (唯一不变的事物)

comforting constant (令人安心的恒常)

例句:

Death and taxes are life's only ☞constants☜.

(死亡和税收是人生仅有的☞不变之事☜。)

Her smile was a ☞constant☜ in his chaotic world.

(她的微笑是他混乱世界中☞不变的☜慰藉。)

Change is the only true ☞constant☜ in the universe.

(变化是宇宙中唯一真正的☞永恒☜。)

Morning coffee became his daily ☞constant☜.

(晨间咖啡成了他每日☞雷打不动的习惯☜。)

The sea remained the ☞constant☜ in the coastal village.

(大海是这个海边村庄☞永恒的☜存在。)

In fashion, black is a timeless ☞constant☜.

(在时尚界,黑色是永恒的☞不变元素☜。)

Family traditions provide comforting ☞constants☜.

(家庭传统提供令人安心的☞恒常☜。)

The mountain stood as a ☞constant☜ through centuries.

(这座山是几个世纪以来☞不变的☜地标。)

◆总结→

◎核心词性:形容词(主导)、名词(次之)

◎高频场景:科学术语、持续状态描述、情感表达

◎学习重点:

1. 形容词位置规则:

前置定语: *constant temperature*(✔)

不可后置: *temperature constant*(✘ 除非作名词)

2. 名词可数性:

数学概念(可数): *define a constant*

抽象概念(可数): *life has few constants*

3. 语义辨析:

*constant*(稳定不变) vs *continuous*(无间断)

正确: *constant noise*(持续存在)

正确: *continuous line*(无断点线条)

◎使用要点:

• 科学领域:严格指"固定值"(π/g等)

• 日常描述:强调"反复出现"(噪音/干扰)

• 文学用法:突出"永恒性"(爱情/忠诚)

◎易错点:

⚠️ 词性混淆:

• 形容词: *The demand is constant*(表语用法)

• 名词: *Demand is a constant*(需冠词)

⚠️ 程度副词误用:

• 合理: *almost constant*(近乎恒定)

• 矛盾: *very constant*(✘ 因本身含绝对性)

⚠️ 语境错配:

• 科学正确: *acceleration constant*(物理概念)

• 日常不当: *my constant weight*(改用 stable)

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