When the barometer indicates a rapid drop in air pressure, it means a storm is coming.

当气压计显示出气压迅速下降时，便意味着暴风雨就要来了。

youdao

When the barometer indicates a rapid drop in air pressure, it means a storm is coming.

当气压计显示出气压迅速下降时，便意味着暴风雨就要来了。

youdao