词根bar, 重，同gravity, 重力。-meter, 仪器，计。

1. Infant mortality is a highly sensitive barometer of socio - economic conditions.

婴儿死亡率能够充分反映社会经济状况.

2. The barometer marked a continuing fall in atmospheric pressure.

气压表表明气压在继续下降.

3. The arrow on the barometer was pointing to'stormy ".

气压计上的箭头指向 “ 有暴风雨 ”.

4. The barometer is falling.

气压正在下降.

5. In past presidential elections, Missouri has been a barometer of the rest of the country.

在过去的总统选举中，密苏里州一直是国内其他州的晴雨表。