likely to change suddenly in value, state, etc. 易变的；多变的◆Food prices are highly volatile (= they rise or fall very suddenly). 食品价格大起大落。◆UK carmakers saw record losses in a volatile market last year. 英国汽车制造商在去年动荡不定的市场上出现了创纪录的亏损。➡ see note at stock ⨁volatile markets / prices / shares / stock / trading 动荡不定的市场；波动的价格／股份／股票；不稳定的交易
() (about a substance) that changes quickly into a gas （物质）挥发性的◆Petrol is a volatile substance. 汽油是一种易挥发物质。
▸volatility /ˌvɒləˈtɪləti; NAmEˌvɑːl-/
noun
[] ◆the volatility of share prices 股价的变化无常◆market volatility 市场的反覆无常