constant

【发音】

美 /'kɑnstənt/ 英 /'kɒnst(ə)nt/

【翻译】

1. adj.经常的；永恒的

   英释:happening regularly or all the time

【短语】

1. constant temperature : 恒温；定温；等温

2. constant pressure : 恒压

3. dielectric constant : 介电常数；电容率

4. constant current : 恒定电流

5. constant speed : 恒速；等速

6. time constant : 时间常数，时间常量

7. rate constant : 速率常数；速度常数

8. constant voltage : 恒定电压；定压

9. constant volume : 定容；恒定体积

10. constant flow : 恒流；定量流动；常廉流稳恒流；恒流定量消耗

11. equilibrium constant : 平衡常数

12. constant velocity : 匀速；等速度；恒速度

13. constant temperature and humidity : 恒温恒湿

14. constant value : 不变价值

15. constant frequency : 恒定频率；固定频率

16. constant current source : 恒流源

17. constant state : 恒定常态

18. constant rate : 恒速；固定比率；恒定流量

19. constant practice : 时习，不断的练习

20. constant load : 恒定负载

【例句】

1. There was a constant stream of visitors to the house.

   参观这幢房子的游客川流不息。

2. Amy lived in constant fear of being attacked.

   埃米一直生活在害怕遭到袭击的恐惧之中。

3. He kept in constant contact with his family while he was in Australia.

   他在澳大利亚时一直和家人保持着联系。

4. travelling at a constant speed

   以恒定速度行驶

【真题例句】

1. (2015.12 • CET4 • 第一套 • 阅读理解)...more grown-up ways of doing the same things that are constant sources of joy: making art...

2. (2013.6 • CET4 • • 阅读理解)...The result of constant muscle tension and stiffness of joints...

3. (2012.12 • CET4 • 第二套 • 阅读理解)...Are they exhausted by the consumer equivalent of the brain fatigue — information overload — that is caused by constant updates of devices and online media...

4. (2011.12 • CET4 • • 写作题)...we find that it is long years of will and constant effort that have brought about their success...

5. (2010.6 • CET4 • • 阅读理解)...People do it at the expense of everything that was a constant in their lives...

6. (2009.6 • CET4 • • 听力题)...A constant supply of food should be given until the cold is over and spring has come...

【同、近义词】

1. adj.不变的；恒定的；经常的

   permanent/steady/

2. n.[数]常数；恒量

   invariable/

【同根词】

1. adv

   constantly : 不断地；时常地

2. n

   constancy : 坚定不移；恒久不变