亮的层次的英文：
light value（明暗层次中）

light是什么意思：
n. 光；光源；灯；点火物；日光；角度，眼光
v. 点，点燃；点着；照亮；用灯光指引
adv. 轻的，轻装的
adj. 浅色的；轻的；少量的；轻微的；（负担）轻的；轻盈的，轻快的；清淡的

The torch was lighted.
火炬点亮了。

I'm lost as a light is lost in light.
我如同灯盏迷失在光明里。

The saturation and lightness of light also affect our perceptions.
饱和度和亮度也影响到我们的感觉。

Ambient light: As the name suggests, this light is present everywhere.
环境光：就如其名所暗示，各处都存在光照。

The chamber was ablaze with light.
会议厅里灯火辉煌。

value是什么意思：
n. 价值；价格；重要性；益处；等值；等价物；价值观念；社会准则；标准
v. 给...估价；给...定价；评价；尊重；重视；珍视

A value for the attribute was not in the acceptable range of values.
属性值不在接受范围内。

The value provided was an invalid value for an identifier authority.
所提供的值是无效的标识符颁发机构的值。

These coins are not equal value.
这些硬币的币值不等。

These suitable values will be zero or infinity.
这些适当的数值可以是零，也可以是无穷大。

They debased the value of the dollar.
他们使美元贬值。