1. 阳光照射：sunnily 照着阳光 | sunniness 阳光照射 | Sunnite 逊尼派

2. 阳光充足; 性情开朗; 快活 (名)：sunnily 阳光充足地; 快活地 (副) | sunniness 阳光充足; 性情开朗; 快活 (名) | sunny-side up 单煮一面的

1. the quality of being cheerful and dispelling gloom

    e.g. flowers added a note of cheerfulness to the drab room

    Synonym: cheerfulnesscheersunshine

2. lightness created by sunlight