跨上

to mount (a horse, bike, flight of stairs, rickshaw etc)

to step across / to stride over / to straddle / to span

used in 上聲|上声[shang3 sheng1]

(bound form) up; upper; above; previous / first (of multiple parts) / to climb; to get onto; to go up / to attend (class or university) / (directional complement) up / (noun suffix) on; above