She hadn't heard his approach and jumped as the door opened.
她没有听见他走近的声音，所以门开时吓了一跳。
He jumped to his feet when they called his name.
他们叫到他的名字时他一下子就站了起来。
You seem to have jumped several steps in the argument.
你在论证中似乎略去了好几个步骤。
Prices jumped by 60% last year.
去年，物价暴涨60%。
He took his chances and jumped into the water.
他冒险跳进水里。
Sales jumped from$ 2.7 billion to$ 3.5 billion.
销售额从27亿元猛增到35亿元。