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1·His weight began to plunge.

他的体重开始骤然下降。《柯林斯英汉双解大词典》

2·The company is planning a deeper plunge into the commercial market.

这家公司正计划进一步投入商业市场。《牛津词典》

3·Japan's banks are in trouble because of bad loans and the stock market plunge.

日本各家银行处于困境，缘于不良贷款以及股市的暴跌。《柯林斯英汉双解大词典》

4·Take care lest an adventure is now offered you, which, if accepted, will plunge you in deepest woe.

要当心你们面临的这场冒险，你们若是接受，这场冒险就回让你们陷入大祸事。

5·Economy is very solid and the plunge in the stock market this week is not an indication of any serious problem.

经济非常稳固，本周股市的暴跌并不能揭示任何严重问题。

6·Mexico's economy suffered more than any other in Latin America last year, shrinking an estimated 7 percent due to a plunge in U.S. demand for Mexican exports such as cars.

去年墨西哥的经济比拉丁美洲的任何其他国家都遭受了更大的损失，估计经济萎缩7%，这是因为美国对墨西哥的出口商品，例如汽车的需求骤降。

7·A number of oil-producing countries are trimming their gasoline subsidies and raising taxes, so the net savings for global consumers is not as big as the oil price plunge might suggest.

许多产油国正在削减汽油补贴并提高税收，由此，全球消费者的净储蓄就不会像油价暴跌所预示的那样多了。

8·And a number of oil-producing countries are trimming their gasoline subsidies and raising taxes, so the net savings for global consumers is not as big as the oil price plunge might suggest.

许多产油国正在削减汽油补贴并提高税收，因此全球消费者的净储蓄并不像油价暴跌可能显示的那样大。

9·He took the plunge into the deep end.

他跳入深水区。《牛津词典》

10·She went for a plunge.

她去游泳了。《牛津词典》

跳水

1·This year it proposes a mere 7.5%, quite a plunge from last year's growth of 17.8%.

相对于去年的17.8%，今年提出的7.5%的增长率实在是如同高台跳水。

2·They think Banks were overpaid for the risks they took. Issues were priced as much as 40% below market prices so stocks would have had to plunge before Banks would be out of pocket.

可次级承销商也在抱怨分得的战利品没有随之增加，因为他们认为投资银行对自身承担的风险漫天要价——那时发行价格低于市场价格的40%，这样，在投资银行血本无归之前，股票市场就不得不跳水了。

3·This week's plunge in share prices, at one point taking the MSCI Emerging Asia Index down 25% from its October high, suggests they have changed their minds.

本周亚洲股价跳水，大摩的MSCI新兴亚洲指数曾一度从10月份的高点跌下25%，大概是投资人改变看法了吧。

4·And also for years I've been an aficionado of the bus plunge story, the 100-word filler in the newspaper that says, Peruvian bus plunges off cliff, 50 people die.

而且多年来我一直关注着各种“大巴跳水”事件的新闻——报纸上常见的那种百十来字的小豆腐块，标题上写着诸如“秘鲁大巴坠崖，50人死亡”之类的文字。

5·Jones, a US citizen who survived a plunge over Niagara Falls without a safety device, said of his plunge.

美国男子琼斯，在没有保护装备情况下于尼加拉瓜瀑布跳水生还后说道。

陷入

1·Take care lest an adventure is now offered you, which, if accepted, will plunge you in deepest woe.

要当心你们面临的这场冒险，你们若是接受，这场冒险就回让你们陷入大祸事。

2·If China were suddenly to stop buying US Treasury bills, it would plunge America into a fiscal crisis.

如果中国突然不再购买美国的国库券，美国将陷入财政危机。

3·He said before the so-called troop surge, the fight in Iraq was faltering, and extremists were succeeding in their efforts to plunge the country into chaos.

他说，在增兵之前，伊拉克的战斗停滞不前，极端分子成功地使伊拉克陷入混乱。

4·They plunge them into guilt and despair in the act of cheering them on to higher things.

他们让人们陷入犯罪和绝望，只是因为鼓动人们去追求更高的东西。

5·He tried to increase his income by gambling only to plunge more deeply into the mire.

他企藉博增加收入，陷入了更深的困境。

骤降

1·The plunge in sales of existing homes is severe but not unprecedented.

旧房销售量的骤降是严重的但是并不是史无前例的。

2·First, as a large net importer of raw materials it will benefit from the plunge in commodity prices, unlike Latin America.

首先，不同于拉丁美洲，作为原材料经净进口经济体，它将受益于商品价格骤降。

3·If excess US consumption ceased, national income would plunge by 6 per cent, he forecast, throwing the US and the rest of the world into a deep depression.

他当时预计，如果美国停止过度消费，国家收入会骤降6%，这将使美国和全球其它地区都陷入严重的萧条。

4·This winter, the game little unit just doesn’t have enough juice to keep its heaters on, so temperatures inside the rover will plunge to a frigid –67 degrees Fahrenheit.

今年冬天，可怜的小家伙的燃料不足以维持加热器正常运转了，于是它内部温度将骤降到华氏零下67度。

5·After that plunge, however, Latin began a comeback, and at UGA, Latin has remained strong.

然而在此次骤降之后，拉丁语学习得以复兴，乔治亚大学的拉丁语学习一直保持着强劲的势头。

投入

1·Once you've made the plunge—in both time and expertise—into a scripting language, go with that.

一旦您已经投入（在时间和专业技术上）到一个脚本语言中，那么就坚持下来。

2·An adversarial or uncooperative attitude can easily scuttle any positive results and plunge the discussion into pointless hostility.

对抗或不合作的态度可以很容易地破坏任何积极的结果，并投入到毫无意义的带有敌意的讨论。

3·Donors need to be patient so charities will not feel pressured to plunge in and offer ineffective aid, simply to placate impatient donors.

捐赠者需要有耐心。这样慈善组织才能从容地工作，不会为了安抚心急的捐赠者匆忙投入人力物力却事与愿违。

4·The herd boy who grazes his cattle sitting under the banyan tree, and idly weaves gunja flowers into gar - lands, who loves to splash and plunge in the Jamuna's cool deep stream.

牛群在草场吃草，牧童坐在大榕树下，悠闲地编织着红豆花环，他喜欢投入耶摩那清而深的河水中激起水花。

5·We plunge into a discussion.

我们投入到一场争论中去。

跳进

1·Well, I just feel that I would plunge into a pit if I had to secede, as you put it.

照你说的，我觉得如果我不得不离开的话，我就跳进了一个陷阱。

2·Plunge your mind into the world of positivity.

跳进积极思想的海洋吧。

大幅下滑

1·Stocks of listed companies whose disclosed results show profit plunge, serious losses or probability of serious losses in the future;

其上市公司已披露业绩大幅下滑、严重亏损或者未来将出现严重亏损的；

(1)plunge into投入；跳入；突然或仓促地开始某事

(1)take the plunge冒险尝试；采取决定性步骤

(1)plunge pooln. 瀑布下的水潭