这座建筑的设计在两侧都展现出完美的对称性。

The building's design shows perfect ___symmetry on both sides.

这幅画的左右对称设计给人一种平衡的美感。

The painting's left-right ___symmetries create a sense of balanced beauty.

物理学家通过研究晶体的对称性来预测其性质。

Physicists study the ___symmetries of crystals to predict their properties.