吸力

xīlì
  1. (physics) attraction (gravitational, magnetic, electrostatic etc)
  2. suction
  3. (fig.) attraction (power to attract interest or liking)

CEDICT

physics

Entry Composition

1 吸 xī
  1. to breathe
  2. to suck in
  3. to absorb
  4. to inhale
2 力 lì
  1. power
  2. force
  3. strength
  4. ability
  5. strenuously