symmetrical object glass

例句：

1. 1. The painting isa perfect example of symmetry in nature.
   这幅画是自然界对称的完美例证。
2. 2.The two buildings are perfectly symmetricalwith each other.
   这两栋建筑彼此之间完美对称。
3. 3. The teacher's explanation wasvery clear and the students were able tounderstand the concepts more easily.
   老师的讲解非常清晰，学生们更容易理解这些概念。