"The coach says, counting to five from the moment I jump down."
"教练说,从我跳下去的那一刻起数到五。"
He continued to jump up and down like a boy at a football match
他不停地上蹿下跳，活像个足球赛中的男孩。
I don't think a lot of people will jump up and down and say 'thank heavens'..
我并不认为很多人会欣喜若狂地说“感谢上帝”。
The waves were so strong that they forced huge pieces of ice to jump up and down, breaking the ice into smaller pieces within just one hour.
异常剧烈的海浪将巨大的.冰块掀起又掷下，让这些冰块在短短一小时内破裂成了更小的碎块。
This phenomenon does not appear in the jump down process.
这一现象在下跳过程中是不存在的。