headfirst

基本解释

• adv.头向前地；仓促地；鲁莽地

同根派生

英汉例句

• 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