Question

barometer 【barometer】n.气压计；反应指标Newspapers are often called barometers of public opinion.报纸常被称为反应舆论的指标。

Accepted Answer

[bə'rɑːmɪtər] 
barometeran instrument that measures atmospheric pressure
A barometer is a device that measures atmospheric pressure. Barometers help meteorologists figure out what the weather is going to be like.
Sure, it's technically a weather man's tool — but you can use barometer more generally to describe anything that can be used to forecast or measure something else. The stock market is a barometer for economic health. Your grades are a barometer of how you're doing in school. For the President, a national poll is a barometer of political success. These kinds of barometers tell which way the wind is blowing — just not literally.
All forms of 'barometer' will appear on average once every 1737 pages.barometerbarometricbarometrical

Front	barometer
Pron	[bə'rɑːmɪtər]
Back	【barometer】 n.气压计；反应指标 Newspapers are often called barometers of public opinion. 报纸常被称为反应舆论的指标。
Vocab	barometeran instrument that measures atmospheric pressure A barometer is a device that measures atmospheric pressure. Barometers help meteorologists figure out what the weather is going to be like. Sure, it's technically a weather man's tool — but you can use barometer more generally to describe anything that can be used to forecast or measure something else. The stock market is a barometer for economic health. Your grades are a barometer of how you're doing in school. For the President, a national poll is a barometer of political success. These kinds of barometers tell which way the wind is blowing — just not literally. All forms of 'barometer' will appear on average once every 1737 pages. barometer barometric barometrical

Barometer Measures Atmospheric Weather Bə'Rɑːmɪtər N.气压计；反应指标 Newspapers Called