jump，英文单词，动词、名词，作动词时意为“跳跃；跨越；快速移动；突升，暴涨；突然改变；略去；闯红灯；突袭；发生性关系；助推启动（车辆）”，作名词时意为“跳跃；暴涨；大幅度的变化；惊跳；（马术比赛中）障碍；（桥牌）跳叫；性交，（美）江普（人名）”。
.jump是规则动词。规则动词一般在词尾加-ed构成过去式和过去分词。因此，其变化是jump--jumped--jumped
Jump around
跳来跳去 After hearing the news, she jumped around with excitement. 听到这个消息后，她兴奋地跳了起来。 
Jump at 欣然接受 She jumped at the chance of a trip to Bali Island. 她欣然接受了去巴厘岛旅行的机会。 
扑向；跃向 The cat jumped at the bird in the cage. 猫扑向笼子里的鸟。 
Jump down 跳下 Don’t let him jump down the stairs. 别让他从楼梯上跳下来。 
Jump in 跳进；一下子进入 Come on and jump in the hot spring! 来吧，跳到温泉里去！ 
打断；插嘴 We’d better not jump in when someone else is speaking. 当别人说话时，我们最好不要插嘴。 
Jump off 跳下来; 跳离 The cat jumped off the tree. 猫从树上跳下来。 
出发；开始 The news conference jumped off at 1:00 this afternoon. 新闻发布会在今天下午1点就开始了。 
Jump on 跳上 He jumped on the train at the last minute. 他在最后一刻跳上了火车。 
叱责；责备 Her father never jumped on her for her failure in the exams. 她父亲从未因为她考试不及格而责备她。 
Jump out at 突然出现；使（某人）一下子注意到 The wound on his head jumped out at her. 他头上的伤口一下子就引起了她的注意。 
Jump up 跳起来；突然站起来 He jumped up and walked out of the office. 他突然站起来走出了办公室。 
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