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)