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市场的反复无常