Word
candela
/kænˈdiːlə/
noun
坎德拉
核心释义
the base unit of luminous intensity in the International System of Units
- 1.
In the International System of Units, the base unit of luminous intensity; the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540 × 1012 hertz and that has a radiant intensity in that direction of 1/683 watt per steradian. Symbol: cd
烛光；发光强度单位
用法In use
The light bulb emits 800 candela of luminous intensity.
用法提示：名词，作为发光强度的单位。
In physics class, we learned that one candela is approximately equal to the light from one candle.
用法提示：名词，表示基本单位，用于比较。
The laser pointer has a luminous intensity of 5 candela.
用法提示：名词，描述光源的发光强度。
number + candela(s)
复数形式常用candelas，也可用candela。
The flashlight produces 150 candelas.
手电筒发出150坎德拉。
luminous intensity of + number + candela(s)
相关词与表达Connections
易混词Confusing words
- candle
- 蜡烛 · 注意词形和发音不同：candela 是发光强度单位，candle 是蜡烛
- candelabra
- 烛台 · candela 和 candelabra 拼写相近但含义不同：candela 是单位，candelabra 是装饰性烛台
词族Word family
- candle
- 蜡烛 · noun
- candlestick
- 烛台 · noun
学习提示Learner notes
语法说明Grammar Note
常与数词连用，如 one candela, two candelas。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.