symmetrical

US /sɪˈmet.rɪ.kəl/
UK /sɪˈmet.rɪ.kəl/
1.

đối xứng

having two parts that match exactly, either when one half is like an image of the other half in a mirror, or when one part can take the place of another if it is turned 90° or 180°:

:
Common skin moles are round and symmetrical.