vacuums

例句:

• Excessive energy is also required to achieve appropriate pressures and vacuums.
  还需要额外的能量来造成所需的压力和真空.
  
• My personal theory is that needs and desires create mental vacuums.
  我个人的理论是,需求和欲望制造了思想真空.
  
• Both vacuums and pure oxygen conditions are unfavorable for survival.
  无论是真空还是纯氧环境,都不利于生存.
  
• Our vaccine studies are not funded in political vacuums.
  来自SA
• Ms. Brickman gives a warning before she vacuums or makes popcorn.
  来自WSJ
• It sells vacuums and sewing machines and all kinds of fabrics.
  来自VOA