For example, a steam engine can use coal, newspaper or wood for the fuel, while an internal combustion engine needs pure, high-quality liquid or gaseous fuel.

例如，蒸汽发动机可以用煤，报纸或木头作为燃料，而内燃机需要用纯的，高质量液体燃料或气体燃料。

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Steam is water in a gaseous condition.

蒸气就是气体状态的水。

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After the injection of a gaseous mixture of steam and gas into a turbine a change in turbocharger operating condition will take place.

水蒸气与燃气混合后的混合气体注入涡轮后，涡轮增压器会出现运行状态的变化。

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"On the east coast, you can find the still-active Arenal volcano where you can zip line next to it through the jungle canopy as it puffs gaseous steam and molten lava, " Amerson said.

CNN: Costa Rica's oasis