“说明的”造句

他们的推理是以一系列未说明的假定为基础的。
Their reasoning was based on a set of unstated assumptions.

这是由某些未加说明的方法产生的.
It is generated by some specified means.

他把如何走到农场说明的相当清楚.
His directions as to how to get to the farm were quite clear.