volatile
adjective
Definitions of volatile adjective
change(變化)
Likely to change suddenly and unexpectedly, often in a way that indicates instability or the potential for worsening.
不穩定；易變；反覆無常
The stock market tends to be very volatile during times of economic instability.
在經濟不穩定的時期，股市往往非常波動。
The political situation became increasingly volatile in the lead-up to the election.
在選舉前夕，政治局勢變得越來越不穩定。
His emotions are very volatile; you never know what he’s going to do next.
他的情緒非常不穩定，你永遠不知道他下一步會做什麼。
substance(物質)
- chemistry(化學)specialized(專業)
Describes a substance, typically a liquid or solid, that readily vaporizes into a gas.
（液體或固體）易揮發的；易汽化的。
Gasoline is a highly volatile liquid.
汽油是一種高度揮發的液體。
These volatile organic compounds are harmful to the environment.
這些揮發性有機化合物對環境有害。
This solvent, due to its volatile nature, should be used in a well-ventilated area.
這種溶劑由於其揮發性，應在通風良好的區域使用。