back-roll
美
英 
英漢解釋
例句
In its simpler form, the mechanism consists of a Cam operated lever to vibrate the back roll, called the whip roll.
比較簡單的方式是機構中包括一個由凸輪控制的連桿,用以驅動后梁擺動。
A Pobe into Teaching Actions in the Air in Back-roll Jump
背越式跳高空中動作的教法探討
Importance of combining run-up with take-off in back roll jump
背越式跳高中助跑與起跳結合的重要性