low pressure

noun
🔊/ˌləʊ ˈpreʃə(r)/
🔊/ˌləʊ ˈpreʃər/
[uncountable]
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  1. the condition of air, gas or liquid that is kept in a container with little force(气体或液体的)低压
    • at low pressure Water supplies to the house are at low pressure.这房子的供水水压低。🔊🔊
  2. a condition of the air that affects the weather when the pressure is lower than average (影响天气的)低气压compare high pressure