viscosity

The viscosity of magma determines whether a volcanic eruption is gentle and effusive or violent and explosive.岩浆的粘度决定了火山爆发是温和溢流式还是剧烈爆发式。

Engine oils are formulated to maintain appropriate viscosity across a wide range of operating temperatures.发动机油经过特殊配方设计，以便在广泛的工作温度范围内保持适当的粘度。