n.揮發(fā)性；揮發(fā)度；輕快；(性格)反復(fù)無常

The two most important features of gasoline are volatility and resistance to knock. 汽油最重要的兩個特性是揮發(fā)性和抗爆性。

Under the assumption of constant molar overflows and relative volatility, a simplified model is developed to study the behavior of the distillation process under consideration. 假定液體持液量和待分離的體系的相對揮發(fā)度均保持不變，建立了該塔的一個簡化的模型，由此得到各組分在整個塔中的分布情況。

If one component changes another component's vapor pressure, or if the volatility of a component is dependent on its percentage in the mixture, the law will fail. 如果一種組分改變另一組分的蒸氣壓，或者說，一種組分的揮發(fā)度取決于它在混合物中的百分比，那么這一定律將歸于失敗。

Volatility in financial markets has declined. 金融市場的動蕩降幅。

In the context of a durable relationship they should not cause excessive political volatility. 在持久關(guān)系的背景下,它們應(yīng)該不會造成過度的政治波動。