suction

• 指由压力差产生的力，常使物体被吸入或吸附进去。

A noun referring to a force created by a difference in pressure, often resulting in the act of drawing or pulling something inward.

不可数

1. Force from pressure differenceB2formal

   A force exerted over an area that results from a difference in pressure, typically causing a fluid or object to be drawn into a space.

   吸力

   • The vacuum cleaner uses suction to pick up dirt.
   • Suction holds the cup firmly against the window.
   • The pump created enough suction to drain the water.

   同义词aspirationdrawpull

2. Act of suckingB2formal

   The action of drawing something, such as air or liquid, into the mouth or a device by reducing pressure.

   吸

   • The baby's suction on the bottle was strong.
   • The doctor used suction to clear the patient's airway.
   • The straw relies on suction to bring the drink up.

   同义词aspirationdrawdrawingsucksucking

• 动词，表示通过制造局部真空或压力差将液体、气体或物体吸入、吸出、抽走或吸住。

A verb used to indicate the act of drawing or removing something by creating a partial vacuum, or the process of being drawn in by such force.

1. Remove by suctionB2formalmedical

   To draw away or remove something using the force of suction.

   吸除

   • The dentist suctioned the saliva from the patient's mouth.
   • The machine suctioned the debris from the wound.
   • They suctioned the fluid from the cavity during the procedure.

   同义词aspiratedrawextractpumpsiphonsuck

2. B2formalmedical

   To empty or clean a body cavity by applying suction.

   吸出

   • The surgeon suctioned the abdominal cavity before closing.
   • The nurse suctioned the patient's airway to clear the blockage.
   • They suctioned the sinus cavity to relieve pressure.

   同义词aspiratedrainevacuate