impossibility
/ɪmˌpɒsəˈbɪlətɪ/noun
(pl. -ies)［mass noun］
1- the state or fact of being impossible不可能性：
these sequences demonstrate the impossibility of turning comics into movies.
这些连续镜头表明漫画改编成电影的不可能性。
1.1
- count noun an impossible thing or situation不可能的事, 不可能的情况：
they believe that a world at peace is an impossibility.
他们认为和平的世界是不可能实现的景象。
词源
late Middle English: from French impossibilite or Latin impossibilitas, from impossibilis, from in- 'not' + possibilis （see POSSIBLE）.