pressure = ciśnienie, ciśnienie atmosferyczne

A barometer used for weather forecasting measuring the barometric ...

Source: http://www.alamy.com/stock-photo-a-barometer-used-for-weather-forecasting-measuring-the-barometric-22446445.html

ciśnienie, ciśnienie atmosferyczne

English sentence and Polish translation

I have a headache, the pressure must be high. = Mam ból głowy, ciśnienie atmosferyczne musi być wysokie.