jump [dʒʌmp] n.跳跃, 跳动, 上涨 v.跳越, 暴涨例句:I couldn't understand his lecture because he kept jumping from one topic to the next. 我听不懂他的演讲,他总是从一项内容跳到另一项内容。The gang jumped an old woman in the subway. 一伙歹徒在地下人行道突然袭击一老妇人。The loud bang made me jump. 砰的一声巨响吓了我一跳。 希望采纳