[ jumping ]的过去式;[ jump ]的过去式
参考例句
The cheerleaders are jumping to and fro.
拉拉队长们来回地跳跃。收藏
Jumped into the race for the nomination.
急切地投入提名竞选活动收藏
The price of gold jumped sharply last year.
去年金价猛涨。收藏
She had to jump over the fence to get home.
他必须跳过围墙才能回家。收藏
A flash of lightning is electricity jumping.
电光一闪是跳线。
