sym-,一起，一致，-metry,测量，词源同 meter,optometry.引申词义对称。

1. The superpowers pledged to maintain symmetry in their arms shipments.

超级大国承诺在武器运输方面要保持数量均衡。

2. the perfect symmetry of the garden design

花园图案的完全对称

3. The butterfly is an example of symmetry.

蝴蝶是结构完全对称的一个例子.

4. The human body has a symmetry that is basic to our sense of beauty.

人体的对称性构成我们审美观的基础.

5. He said that Britain would not rejoin the ERM "until there is much greater symmetry between our economy and other European economies."

他说在英国经济与其他欧洲国家的经济实现更大的趋同性之前，英国不会重新加入欧洲汇率机制。