收縮

收缩
shōusuō
  1. to pull back
  2. to shrink
  3. to contract
  4. (physiology) systole

CEDICT

Entry Composition

1 收 shōu
  1. to receive
  2. to accept
  3. to collect
  4. to put away
  5. to restrain
  6. to stop
  7. in care of (used on address line after name)
2 縮 suō
  1. to withdraw
  2. to pull back
  3. to contract
  4. to shrink
  5. to reduce
  6. abbreviation
  7. also pr. sù