You can also perform a test. Take some of the material and add enough water to it to make it seem like you are making bread.

VOA: special.2009.09.14

If we take hydrogen peroxide in the liquid state, it can break down to form water and oxygen.

如果我们有一些液态的过氧化氢，它会分解成水和氧气。

麻省理工公开课 - 热力学与动力学课程节选

Or sometimes the Romans liked to take a big theater and fill the central part of the theater, the cavea, with water and then stage naval battles and that kind of thing.

有时候罗马人也喜欢利用大剧院,在大剧院的中心和兽笼，注满水，上演大海战之类的。

耶鲁公开课 - 新约课程节选

State officials were forced to take actions that would clean the water.

VOA: special.2010.08.01

Take the yolks and mix them in with the sugar and water No. Sugar and flour I guess is probably what I want, sugar and water is not going to do anything interesting for me here mix them into something else.

将蛋黄取出,把他们和上糖和水,不，我猜糖和面粉才可能是我想要的，糖和水没法儿为我,变出有趣的东西来,把他们混合成别的什么东西。

麻省理工公开课 - 计算机科学及编程导论课程节选

Take off the victim's clothing. Put cool water on the body.

VOA: special.2010.07.27

The algae take much of the oxygen from the water.

VOA: special.2009.07.28

The fish they take out of the water here will not be served as food.

VOA: standard.2010.07.19

Family members rush to take advantage of every precious drop before the afternoon, filling plastic jugs,oil drums, and pails with water for use by the 15 people who live in this home.

VOA: standard.2009.08.01

But when the fishes are in the water they just see that the biscuit is coming and immediately it gets into the water and they too will come and take it off."

VOA: standard.2009.09.26