Sometimes wrestlers will jump into the ring to help one fighter against an opponent.

VOA: special.2010.02.19

It's a daring way to jump-start one's own literary celebrity.

发起自己在文学上的声望是一种很大胆的方式。

耶鲁公开课 - 弥尔顿课程节选

which also makes it sort of, in some ways, easy to jump from one to the next.

这样使得人们在某种程度上很容易从一个阶层跳到另一个。

美国贫富差距？ - SpeakingMax英语口语达人

But the point-one percent jump in the unemployment rate from May was more modest than had been anticipated.

VOA: standard.2009.07.02

One over R to the sixth will come in, and then jump off precipitously.

/R的六次方会出现，然后陡然减少。

麻省理工公开课 - 固态化学导论课程节选