jump為什麼寫成jumping

jumping是jump的現在分詞。

The students entered the classroom ， jumping and singing .學生們又唱又跳地進了教室。

Jumping from that altitude is extremely challenging of course .從這樣的高度跳下來是一件非常有挑戰性的事情。

Well ， tell that to the guy jumping to his death .好吧，把這些告訴正在跳向死亡的那位工人吧。

The tradition of jumping from the new river gorge bridge dates back to 1980 .這項從新河峽大橋上背死跳的傳統始於1980年。