Radical:

meaning for cāo:

  • - to grasp
  • - to hold
  • - to operate
  • - to manage
  • - to control
  • - to steer
  • - to exercise
  • - to drill (practice)
  • - to play
  • - to speak (a language)

meaning for cào:

  • - variant of 肏

shēnzhǎn伸展
cāo
xūyào需要
de
yùndòng运动
kōngjiān空间

Stretching exercises require a large exercise space.