redness of the skin or complexion

例句：

1. 1. His face was flushed with excitement.
   他的脸因兴奋而发红。
2. 2. The sun had left a deep redness on her cheeks.
   太阳在她脸颊上留下了深深的红色。
3. 3. Her eyes were a bright redness that made her look younger.
   她的眼睛是明亮的红色，让她看起来更年轻。