flushness

例句：

1. 1. 脸红；2. 充血；3. 涨潮；4.
   指人
2. 1. She felt a flush of embarrassment when she realized her mistake.
   她意识到自己的错误时，感到一阵尴尬。
3. 2.The sun was shining brightly, making the water look like a flushed cheek.
   阳光明媚，使得水面看起来如同羞涩的脸颊。
4. 3. The crowd's flushed faces were a sign of excitement.
   人群因兴奋而面色潮红。