barometer 六级雅思GRE

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。

I took horary observations of the barometer.

我每隔小时次气压计。

The barometer marked a continuing fall in atmospheric pressure.

气压表表明气压在继续下降。

The arrow on the barometer was pointing to “Stormy”.

气压计上的箭头指向“有暴风雨”。

The barometer is falling.

气压正在下降。