He followed her upstairs with a jumping pulse .

他怀着激动的心情随她上楼。

lay awake thinking and mind jumping around .

我睡不着，只顾躺着寻思，心猿意马。

The boys lined up and took turns jumping over the horse .

男孩子们排成队轮流跳跳马。

He is jumping.

他正在跳。