1.

1. The brightness of the sun cheered him up.
    太阳的光辉使他心情好了起来。

2. The moon bathed the landscape in her pale cold rays at a different phase and with varied brightness.
    在不同的时候，月亮以不同的亮度将她惨淡的冷光沐浴在地貌上。

3. brightness的解释

3. Katie''s face was full of the soft brightness which indicated a peaceful heart.
    凯蒂的脸充满了柔和与愉快的表情，显示她内心平静。

4. Their little son''s brightness charmed all the guests.
    他们小儿子的聪颖使客人们很开心。

1. 辉度：辉度(brightness)注解是亮度的意义,寓意着阳光和活力,我们的目标是努力做品牌、专业的装饰公司... 我们始终秉承[ 虚心做人.努力做事 ]的服务准则, 在业界和客户的口碑中得到了不断的攀升.

2. brightness：brt; 亮度，辉度

1. the location of a visual perception along a continuum from black to white

2. the quality of being luminous
    emitting or reflecting light

    e.g. its luminosity is measured relative to that of our sun

    Synonym: luminositybrightness levelluminanceluminousnesslight

3. intelligence as manifested in being quick and witty

    Synonym: clevernesssmartness