constant

更新时间:2026-06-24 03:44:24   栏目: 英语词典

Constant

词义
"Constant" 作为形容词时,表示持续不变的、恒定的、持续的或稳定的;作为名词时,表示恒定不变的事物、常量或常数。

音标:[ˈkɒnstənt](英式);[ˈkɑːnstənt](美式)

词性

形容词

名词


1. 形容词:

表示某事物在时间或状态上保持不变的。例如:

"The temperature is constant throughout the year."(温度全年恒定。)

2. 名词:

表示一个恒定不变的事物,尤其在数学和物理中常指常数。例如:

"Pi is a constant in mathematics."(圆周率是数学中的常数。)


用法:

形容词用法:

Constant change(不断变化)

Constant pressure(持续的压力)

Constant speed(恒定速度)

 

名词用法:

The speed of light is a constant.(光速是一个常数。)

A variable with respect to time, such as velocity, is affected by constants.(如速度这类与时间相关的变量会受到常数的影响。)

 


例句:

The weather in this area is not constant; it changes every few hours.
(这个地区的天气并不恒定,几小时就会变化一次。)

He maintained a constant level of performance throughout the competition.
(他在整个比赛中保持了恒定的表现。)

The constant noise from the construction site is really annoying.
(工地的持续噪音真让人烦恼。)

In science, we often use constant values to simplify calculations.
(在科学中,我们常常使用常数值来简化计算。)

The constant flow of traffic makes it hard to find parking in the city center.
(交通的持续流动使得在市中心找到停车位变得困难。)

She was in constant pain after the accident.
(事故之后,她一直处于持续的痛苦中。)

There is a constant demand for better technology in the market.
(市场上对更好技术的需求持续不断。)

The company faces constant challenges in maintaining its market share.
(公司在维持市场份额方面面临着持续不断的挑战。)

The constant vibrations of the machinery are causing wear and tear.
(机械的持续振动正在导致磨损。)

The constant support of her family helped her recover from the setback.
(家人持续不断的支持帮助她从挫折中恢复过来。)


短语搭配:

Constant change:持续变化

Constant pressure:持续压力

Constant noise:持续噪音

Constant improvement:不断改进

Constant flow:持续流动

Constant temperature:恒定温度

Constant reminder:不断的提醒

Constant companion:永远的伴侣

In constant motion:持续运动

Constant vigilance:时刻警觉


总结:
“Constant”通常用来描述那些不随时间或情况变化的事物或状态,广泛用于日常生活、科学、数学等多个领域。在句子中,它既可以作为形容词,形容某个事物持续存在不变,也可以作为名词,表示不变的事物或常数。