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.是什么意思_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.在线翻译_英语_读音_用法_例句