引言：

“让我突然地升空又急速落地~”

volatile /ˈvɒlətaɪl/

adj.

1.

(often disapproving)of a person or their moods 人或其情绪易变的；无定性的；无常性的

changing easily from one mood to another

a highly volatile personality

反复无常的个性

He accompanied the volatile actress to Hollywood the following year.

第二年他陪着这位情绪无常的女演员去了好莱坞。

2.

of a situation 情况可能急剧波动的；不稳定的；易恶化的

likely to change suddenly; easily becoming dangerous

a highly volatile situation from which riots might develop

可能会出现动乱的极不稳定的局势

a volatile exchange rate

剧烈波动的汇率

3.

(technical 术语)of a substance 物质易挥发的；易发散的

that changes easily into a gas

Petrol is a volatile substance.

汽油是挥发性物质。

Thanks for reading~