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》

She was about to plunge into her story when the phone rang.

她刚要开始大谈她的经历，电话响了。

《牛津词典》

It's interesting to plunge into the cool water in the hot summer.

在炎热的夏季里跳进凉凉的水里真是有趣呀！

youdao

I found that day's ride quite unpleasant, and at our several camps readily availed myself of the opportunity to plunge into the Pecos, muddy as it was;

VOA: special.2010.04.26

Okay. Having said that and pointing out the advantages and disadvantages of notation let's plunge in then to a discussion of it.

好的,既然我们已经提到,并指出了记谱法的优势和劣势,那接下来我们就来对它进行一番讨论

耶鲁公开课 - 聆听音乐课程节选

All right. Let's hope we can free our minds of these matters now and turn to something a little more substantive, which is the question--before we plunge in to Gadamer really: what is hermeneutics?

现在让我们把思想从这些事物中解放出来,转向更实质性的问题，在我们探讨伽达默尔之前：,曾提出这样一个问题：诠释学是什么？

耶鲁公开课 - 文学理论导论课程节选

One year ago, our enemies were succeeding in their efforts to plunge Iraq into chaos.

NPR: Text of Bush's State of the Union Address

The computer problems prompted a round of panic selling that forced values to plunge.

BBC: Cyber thieves target bitcoin owners

Borrowing costs continue to plunge as investors hunt for yield in a low-rate environment.

WSJ: Bond Offer Shows Limits of Yield Hunt