barometer

1. N-COUNT A barometer is an instrument that measures air pressure and shows when the weather is changing. 氣壓計(jì)

A man in camp took a barometer reading at half-hour intervals. 營(yíng)地里的一個(gè)人每半小時(shí)看一次氣壓計(jì)。

2. N-COUNT If something is a barometer of a particular situation, it indicates how things are changing or how things are likely to develop. 發(fā)展變化的指示計(jì)

In past presidential elections, Missouri has been a barometer of the rest of the country. 在過(guò)去的總統(tǒng)大選中，密蘇里州一直是該國(guó)其余各州的晴雨表。