跳进的英文：
plunge
jump into
leap into

参考例句：

The rabbit bounded away into the wood.
兔子跳进丛林中

He leapt headlong into the river.
他扑通一声跳进河里。

He cast off his clothes and dived into the swimming pool.
他脱下衣服跳进游泳池。

He bounced into the room with a springy step.
他以轻快的跑步跳进房间。

He dived into a foxhole
他迅速跳进一个散兵坑。

He jumped into the lake, out of pure exhibitionism.
他跳进湖里，完全是为了出风头。

They peeled (off) their clothes and jumped into the water.
他们脱掉衣服跳进水里去了。

He jumped into the river to save the child from drowning
他跳进河里把溺水的孩子救了起来。

She dived into the swimming-pool
她头向下跳进游泳池里

In the summer it's good to go to the sea, jump in and cool off.
夏天去海边很好，跳进去就凉快。

plunge是什么意思：
v. 把投入；使突然前倾；纵身投入；开始从事
n. 投入水中；开始从事；猛跌

plunge a country into war
使一个国家陷入战争

Prices started a downward plunge.
价格开始猛跌。

He was plunged in despair.
他陷入绝中。

jump是什么意思：
n. 跳跃；障碍；暴涨
v. （使）跳跃；跳过；快速移动；猛地一动；暴涨；猛增；略过

Jump, jump, jump the bar As high as you can go.
跳，跳，跳高，跳出你最高的水平。

Jump, jump, over the bar as high as you can go.
跳，跳，跳过去，跳出你最高的水平。

I fairly jumped for joy.
我简直高兴得跳了起来。

into是什么意思：
prep. 进入…中；进入…状态；持续到；输入