inconceivability

例句：

1. 1. The concept of time travel is inconceivable to most people.
   对于大多数人来说，时间旅行的概念是无法想象的。
2. 2.The scientist's theory was so far-fetched that it could hardly bebelieved.
   科学家的理论如此离奇，以至于几乎不可能被相信。
3. 3. Theidea of a world withoutgravity is inconceivable to me.
   没有重力的世界对我来说是不可想象的。