Then I began investigating. I worked my way through the rocks and brush until I found myself gazing into the biggest and blackest hole I had ever seen, out of which the bats seemed literally to boil .

VOA: special.2009.12.07

Or this community that doesn't have safe drinking water so regularly children die of diarrhea because they cannot afford to treat their water, they don't have the fuel to boil their water or something.

可能还有这样一个地方，那里没有安全的饮用水,孩子们时常死于痢疾,因为他们拿不出钱对水进行处理，也没有燃料来把水烧开。

普林斯顿公开课 - 人性课程节选

That's what it's all going to boil down to.

这就是这节课的最重要的要求

耶鲁公开课 - 基础物理课程节选

The U.S.Army Corps of Engineers has helped restore the water supply, although residents are being urged to boil their water.

VOA: standard.2009.10.06

Selection sort too really reduces to a total number of comparisons because I'm again comparing the current smallest to the next thing I see, the next thing, so really a lot of these sorting algorithms boil down to comparisons and the numbers that you actually have to make.

选择排序也可归纳为总数的比较,因为要将当前最小者与下一个进行比较,接着再下一个，可见,很多排序算法都可归结为比较,以及需要比较的次数。

哈佛公开课 - 计算机科学课程节选

Mangroves are the most readily available source of firewood for fires to boil seawater and what is called "salt dust" scraped from the soil.

VOA: standard.2010.03.29

Boil the cans for two minutes. Another way to disinfect the cans is in a freshly made solution of chlorine bleach.

VOA: special.2010.07.19

Everything is placed in a container, covered with water and brought to a boil.

VOA: special.2009.07.06

Everything is placed in a container, covered with water, and brought to a boil.

VOA: special.2009.01.26

Bring it to a boil, then immediately reduce the heat to eighty-two degrees.

VOA: special.2010.08.02

You are going to take this entire issue and boil it down to 30 second ads."

VOA: standard.2009.07.31