constant是什么意思_constant怎么读_中英文释义(含例句用法)

uninterrupted in time and indefinitely long continuing;"the ceaseless thunder of surf"
"in constant pain"
"night and day we live with the incessant noise of the city"
"the never-ending search for happiness"
"the perpetual struggle to maintain standards in a democracy"
"man"s unceasing warfare with drought and isolation"
"unremitting demands of hunger"

中英词源

constant 持续的

con-, 强调。-st, 站，词源同stand.

constant: constant: see consist
constant (adj.): late 14c., "steadfast, resolute," from Old French constant (14c.) or directly from Latin constantem (nominative constans) "standing firm, stable, steadfast, faithful," present participle of constare, from com- "together" (see com-) + stare "to stand," from PIE root *sta- "to stand" (see stet). Of actions and conditions from 1650s. Related: Constantly.
constant (n.): 1832 in mathematics and physics, from constant (adj.).

词态变化

复数 constants;

权威造句

1. There was constant jeering and interruption from the floor.: 议员席上不断有人在嘲讽和打岔.

2. It"s a constant struggle to try to keep them up to par.: 要让他们达标，需要不断努力。

3. Constant wheelchair use will scuff almost any floor surface.: 任何地板上经常有轮椅走动几乎都会有所磨损。

4. The weather is a constant topic of conversation in Britain.: 在英国，天气是交谈中永恒的话题。

5. An automatic voltage regulator ensured a constant output from the generator.: 一个自动电压调节器保证了发电机电流输出的稳定。

近反义词

fixed

stable

unchanging

相似短语

constant area constant storage 【计】常数区

gas constant n. 气体常数

autoprotolysis constant 质子自迁移反应常数，自身质子迁移常数

bearing constant 轴承常数

binary constant 二进制常数

anisotropy constant 各向异性常数

arithmetic constant 算术常数

coil constant 线圈常数，线圈质量因数

Boolean constant 布尔常数

burning constant 燃烧常数

单词分析

这些形容词均有“连续的”、“不断的”之意。
continual强调重复或持续发生，但连续之间允许有间断。
continuous语意最强，强调在时间和空间上没有间断。
successive强调事物一个接一个地发生，无间断。
constant多指习惯性的重复和不变的持续。
persistent普通用词，可指不懈的努力，也可指任何连续不断或重复出现的事物。

记忆方法

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constant是什么意思，constant怎么读

constant基本信息

英英释义