straightening

动词 straighten:

1. straighten up or out; make straight
   同义词：straighten, unbend
2. make straight
   同义词：straighten, straighten out
3. get up from a sitting or slouching position
   同义词：straighten
4. put (things or places) in order
   同义词：tidy, tidy up, clean up, neaten, straighten, straighten out, square away
5. straighten by unrolling
   同义词：roll out, straighten
6. make straight or straighter
   同义词：straighten

1. A dive executed by jumping headfirst, bending the body at the waist, and, with the legs straight, touching the feet with the hands before straightening out to enter the water hands first.
   屈体跳水，镰刀式跳水头向下的一种跳水动作，把身体弯到腰部、腿伸直，在打开身体且以手先触水的姿势跳入水中以前，要先用手触脚
2. The act of straightening or extending a limb.
   伸直伸直或伸展肢体的行为