国王去向神谕寻求关于战争的预言。

The king consulted the ___oracle for prophecies about the war.

古老的预言来自神谕，预示着国家的命运。

The ancient prophecy came from an ___oracle, foretelling the fate of the kingdom.

在理论计算机科学中，神谕机被用来研究那些无法被普通算法解决的问题。

In theoretical computer science, an ___oracle is used to study problems that cannot be solved by ordinary algorithms.