reflectance

/rɪˈflektəns/ /riˈflektəns/

Meanings

noun

反射率，反射系数

The ratio of the flux reflected to that incident on a surface.

Examples :

"The white paint's high reflectance made the classroom brighter by bouncing back most of the light that hit the walls. "

这种白色油漆具有很高的反射率，能够将照射到墙壁上的大部分光线反射回去，使教室更加明亮。

Related Words

incident noun

/ˈɪn.sɪ.dənt/

事件，事故，事端

"It was an incident that he hoped to forget."

那是他希望永远忘记的一件事。

paint noun

/peɪnt/

油漆，涂料

"The painter used a thick coat of paint to protect the old wooden fence. "

油漆工涂了一层厚厚的油漆来保护那道旧木栅栏。

reflected verb

/ɹɪˈflɛktɪd/

反射，映照。

"A mirror reflects the light that shines on it."

镜子会反射照在它上面的光线。

classroom noun

/ˈklɑːsɹʊm/

教室，课堂。

"The children were excited to go to their classroom in the morning. "

孩子们早上很兴奋地去他们的教室上课。

bouncing verb

/ˈbaʊnsɪŋ/

弹跳，反弹。

"The tennis ball bounced off the wall before coming to rest in the ditch."

网球撞到墙上弹了一下，然后停在了沟里。

walls noun

/wɔːlz/ /wɔlz/

城墙, 围墙

"The old city had strong walls to protect it from enemies. "

这座古城有坚固的城墙，保护它免受敌人的侵袭。

surface noun

/ˈsɜːfɪs/ /ˈsɝːfəs/

表面，表层

"The smooth surface of the kitchen table was perfect for setting the dinner plates. "

厨房餐桌光滑的表面非常适合放餐盘。

brighter adjective

/ˈbɹaɪtə/ /ˈbɹaɪtɚ/

更亮，明亮。

"The classroom felt much brighter after we opened the curtains. "

拉开窗帘后，教室里感觉亮堂多了。

white noun

/waɪt/

白色，雪白。

"The white of the freshly fallen snow covered the playground. "

刚下的雪白色的雪覆盖了整个操场。

flux noun

/flʌks/

流动，变迁。

"The constant flux of students entering and leaving the school building made it hard to keep track of everyone. "

学生们进进出出教学楼，如流水般川流不息，让人很难记住每个人。

light noun

/lʌɪt/ /laɪt/ [ɫɐɪ̯ʔ]

光，光线。

"As you can see, this spacious dining-room gets a lot of light in the mornings."

正如你所见，这个宽敞的餐厅早上能照进很多光线。

ratio noun

/ˈɹeɪ.ʃi.əʊ/ /ˈɹeɪ.ʃiˌoʊ/

比例，比率

"The ratio of boys to girls in the class is 2 to 3. "

这个班里男生和女生的比例是二比三。(Zhège bān lǐ nánshēng hé nǚshēng de bǐlì shì èr bǐ sān.)