1. The barometer is indicating that a storm may be approaching.
气压计显示可能有一场暴风雨即将来临。
2. The stock market can serve as a barometer of the overall economy.
股市可以作为整体经济的一个指标。
3. Her mood was like a barometer, constantly changing with the weather.
她的心情像一个晴雨表，随着天气的变化不断变化。