n.跳进,投入 vi.投入,跳进,陷入 vt.使投入,使插入,使陷入
动词过去式:plunged 过去分词:plunged 现在分词:plunging 第三人称单数:plunges
1 [Ipr, Ip, Tn.pr, Tn.p] ~ (sth) into sth; ~ (sth) in
(a) (cause sth to) fall into sth suddenly and with force （使某物）突然而猛力投入、穿入、进入等
*plunge (one's hand) into cold water （把手）一下子伸进冷水中
* They plunged in, ie dived into the water. 他们跳进了水中.
* plunge a rod into a blocked drain to clear it 用棍通下水道使之畅通.
(b) (cause sth to) enter a specified state or condition （使某事物）进入或陷入某状态
*The country (was) plunged into civil war after the death of the President. 总统死後全国陷入了内战.
* The news plunged us into despair. 我们听到那消息後就陷入了绝望.
* events which plunged the world into war 把世界推入战争的事件
* Their extravagant life-style plunged them into debt. 他们生活方式奢侈, 背上了很多债.
2 (a) [I, Ipr, Ip, Tn.pr, Tn.p] (cause sb/sth to) move suddenly forwards and/or downwards （使某人[某物]）突然前移或跌落
*The horse plunged and she fell off. 马一个前失, 把她摔了下来.
* Share prices plunged as a result of the gloomy economic forecast. 该项预测展望经济前景暗淡, 因而股票价格大跌.
* The car plunged over the cliff. 汽车冲下了悬崖.
* The sudden jolt plunged her forward. 突然颠了一下, 她向前打了个趔趄.
(b) [I] (of a ship) move with the bows going violently up and down in the water （指船）剧烈颠簸.
1 (a) [C esp sing 尤作单数] plunging movement, esp a steep fall （向前或向下的）冲, 投, 落; （尤指）骤降, 猛跌
*a plunge into debt, chaos 背债、陷入混乱.
(b) [C] act of diving or bathing in water 跳水; 游泳
*a plunge into the sea from the rocks 从岩石上跳入海中
* a refreshing plunge in the lake 在湖中游泳焕发精神.
2 (idm 习语) take the `plunge take a bold decisive step, esp after thinking about it for some time 采取大胆果断措施（尤指曾经一番考虑）
*They have finally decided to take the plunge and get married. 他们最後毅然决定结婚.
1. She ignored her teachers' advice to become an English teacher and didn't bother with going on to a university because "I was ready to plunge into my life as an artist." 她没有听从老师的建议做一名英语老师，也不想费心思读大学，因为"我已准备好投身于艺术家的生活。"
2. Perhaps one should not merely sprinkle the pupil, but plunge him right down into the sea of language and enable him to swim by himself as soon as possible. 也许我们不应该只在学生身上洒水，而应该把他们投入语言的海洋，使他们及早学会游泳。