a force over an area produced by a pressure difference
the act of sucking
Verb:
remove or draw away by the force of suction;
"the doctors had to suction the water from the patient's lungs"
empty or clean (a body cavity) by the force of suction;
"suction the uterus in an abortion"
例句
用作名词 (n.)
Flies' feet stick to surfaces by suction. 苍蝇的脚借吸力可附着于物体表面上。
Some pumps and all vacuum cleaners work by suction. 有些泵和所有真空吸尘器都是借吸力工作的。
Dirt and dust are drawn into a vacuum cleaner by suction. 污物和灰尘被吸入吸尘器。
Suction filter projects over the fluid level and sucks air. 抽吸过滤器凸出油漆表面,吸入空气。
We'll get the water out with a suction pump. 我们将用抽水机把水抽出来。
用作动词 (v.)
The doctors had to suction the water from the patient's lungs. 医生必须每天从这名患者肺部抽水。
In a newer method, an ultrasonic probe enters the cut in the cornea and high-speed vibrations break the lens into microscopic flecks that are then removed by suction. 有一种更先进的方法,把超声波探头伸到角膜切口内,高速的振动将晶状体变成微小的碎片,然后吸出这些碎片。