disaster是可数名词。
disaster：n.灾难；灾祸；灾害；不幸；
disaster复数： disasters
Have you any comment to make about the cause of the disaster?
你对发生灾难的原因有何评论？
The election proved to be a near disaster for the party.
这次选举对这个党派来说几乎是一场灾难。
As a teacher, he's a disaster.
他当老师压根儿就不称职。
温馨提示：
