V2EX low pressure

Low Pressure

Definition / 定义

low pressure:低压;常指大气低压(气压低于周围地区的区域),通常伴随上升气流、云和降水,天气较不稳定。也可引申为“不施压、轻松的氛围/方式”(如 low-pressure sales)。

Pronunciation / 发音

/lo prr/

Examples / 例句

The forecast says a low pressure system is moving in tonight.
预报说今晚将有一股低压系统移入。

Because of the low pressure over the coast, moist air rose, clouds formed quickly, and the storm intensified overnight.
由于沿海地区处在低压控制下,湿润空气上升、云层迅速生成,风暴在一夜之间加强。

Etymology / 词源

该短语由 low(低的)+ pressure(压力/气压)构成。pressure 源自拉丁语 pressura(“压迫、压力”),与 “press(按压)” 同源。在气象学中,“低压”指相对于周边更低的气压区域;在日常语境中又发展出“低压力/不强迫”的引申义,如“轻松推销”。

Related Words / 相关词

Literary Works / 文学作品

  • The Perfect Storm(Sebastian Junger)涉及风暴生成与气象条件,常出现“low pressure/low-pressure system”等表述。
  • The Cloudspotter’s Guide(Gavin Pretor-Pinney)以通俗方式讲解云与天气过程,讨论低压与云系发展。
  • The Weather Book: An Easy-to-Understand Guide to the USA’s Weather(Jack Williams)气象科普写作中频繁使用“low pressure”解释天气变化。
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