停滞状态

例句：

1. 1. The bread was stale and hard to chew.
   面包很硬，难以咀嚼。
2. 2. The old books are stale and not worth reading anymore.
   旧书已经过时，不再值得阅读了。
3. 3. The stale coffee smells bad and tastes even worse.
   这杯陈咖啡闻起来不好闻，味道更糟。