suction
/ˈsʌkʃn; `sʌkʃən/ n[U]
removal of air to create a partial vacuum, used for making two surfaces stick together or for sucking in liquid, dust, etc by means of air pressure 吸; 抽吸
Some pumps and all vacuum cleaners work by suction. 有些泵和所有的真空吸尘器都是藉吸力工作的.
Flies' feet stick to surfaces by suction. 苍蝇的脚藉吸力可附著於物体表面上.
[attrib 作定语]
a suction pump, pad 抽气泵、 垫.