It's not something that you can either explain in word or describe.

不是你可以用言语,来解释和描述的。

普林斯顿公开课 - 人性课程节选

Only by using wave-like properties as an explanation can you describe diffraction.

只能用类波特征来,解释和描述衍射。

麻省理工公开课 - 固态化学导论课程节选