Water exists in three states: liquid, gas, and solid.

水以三种状态存在：液体、气体和固体。

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Matter exists in three states: solid, liquid and gas.

物质以三种形态存在：固态、液态和气态。

《新英汉大辞典》

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Maya Lin's "Ecliptic" outdoor area in Grand Rapids,Michigan features water in its three states: liquid,gas and solid.

VOA: special.2009.05.06

There's the water phase, there's the ice cube is the solid phase, and there's some water, gas, vapor, and that's one bar.

里面放一块冰，这是固态；,于是我们得到了水，冰和水蒸气三态共存的点。

麻省理工公开课 - 热力学与动力学课程节选

So the triple point is liquid solid, gas, all in equilibrium.

气态，固态，三相平衡,你可能会想。

麻省理工公开课 - 热力学与动力学课程节选

Not gas, not liquid, not solid.

NPR: Serenading Science In A New Rock Album

Households with oil-fired central heating, and those using solid fuel or liquid petroleum gas to heat their homes, are much more likely to be in fuel poverty than "on-grid" households.

BBC: Winter Fuel Allowance Payments Bill

If autos are someday powered by hydrogen, Ovshinsky thinks the hydrogen should be stored not as a gas under high pressure, but as a solid hydride.

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