Less viscous substances like water or air are more prone to inertia, which creates instabilities that develop into turbulence.

水或空气等粘性较低的物质更容易产生惯性，从而产生不稳定性， 进而发展成湍流。

When the squad took aim, the rage had materialized into a viscous and bitter substance that put his tongueto sleep and made him close his eyes.

当小队瞄准时，愤怒已经化为一种粘稠而苦涩的物质，让他的舌头昏昏欲睡，闭上了眼睛。