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1. Oxford American Dictionary

   low pressure

   • n.
     a condition of the atmosphere in which the pressure is below average (e.g. in a depression)；physical pressure that is lower than a standard or average pressure
   • adj.
     characterized by or exhibiting atmospheric pressure that is below average；involving a small or limited degree of physical pressure

   • noun: low pressure, plural noun: low pressures

2. • 釋義

   n.

   名詞

   • 1. a condition of the atmosphere in which the pressure is below average (e.g. in a depression) areas of low pressure almost always bring rain
   • 2. physical pressure that is lower than a standard or average pressure the locomotive stores hydrogen in a tank that can hold over 5000 liters at low pressure

   adj.

   形容詞

   • 1. characterized by or exhibiting atmospheric pressure that is below average a large low-pressure system south of Bermuda
   • 2. involving a small or limited degree of physical pressure a low-pressure nozzle is recommended
   • 3. involving a low level of exertion, difficulty, or responsibility; not likely to cause stress or anxiety her low-pressure style of teaching
   • ▪ employing a low degree of persuasion a seminar in low-pressure sales tactics