gas

gas 是什么意思

气体，汽油，瓦斯

The state of matter distinguished from the solid and liquid states by: relatively low density and viscosity; relatively great expansion and contraction with changes in pressure and temperature; the ability to diffuse readily; and the spontaneous tendency to become distributed uniformly throughout any container a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely attack with gas; subject to gas fumes.