The cloud (such as watercloud), which is formed by the inert substance suspending in the air, can prevent or suppress flame and shock wave's propagation.
惰性物质悬浮于空气中形成的云雾(例如水雾)能阻挡或抑制火焰和激波传播。
2
If so, then the properties of the waves suggest that the ratio of oxygen to hydrogen in the watercloud where the waves propagated is 10 times as high as in the sun.
若果真如此，则这些波动的性质暗示了传递波动的液态云的氧氢比例，为太阳中的10倍。
3
A cloud is a condensation of water vapour in the atmosphere.