这个灯泡需要220伏的电压才能正常工作。

This light bulb requires 220 ___volts to work properly.

马匹在障碍赛上突然一个腾跃，轻松跨过了栏杆。

The horse made a sudden ___vault and cleared the fence easily during the show jumping.

花样滑冰选手在冰面上完成了一个完美的跳跃动作。

The figure skater executed a perfect ___vault on the ice.