frontal system

剑桥词典

a combination of weather conditions in which one or more weather fronts can be recognized
（由多個鋒麪組成的）鋒系
With so many frontal systems so close together, we can expect the weather to be highly changeable over the next few days . 有這麽多鋒系如此接近，我們預計以後幾天的天氣情況將會多變。 返回 frontal system