asymmetric bars
noun /ˌeɪsɪmetrɪk ˈbɑːz/
/ˌeɪsɪmetrɪk ˈbɑːrz/
(British English) (also uneven bars British and North American English)
[plural]- two bars on posts of different heights that are used by women for doing gymnastic exercises on
高低杠(女子体操器械)