第三人称单数：plunges into 现在分词：plunging into 过去式：plunged into
1.to suddenly start doing something with energy and enthusiasm, but sometimes without thinking about it first
2.to quickly push something a long way into something else
3.to suddenly put someone or something in a particular state or situation; to suddenly get into a particular state or situation
4.to jump or dive into water
plunging intoplunging intoplunging into