estaban rebotando
-they/you were bouncing
Imperfect progressiveellos/ellas/ustedesconjugation ofrebotar.

rebotar

Iban disparados a tal velocidad que en diez minutos estaban rebotando por la orilla del lago hacia el centro de Armonía Social en Cherry Beach.
They rocketed downtown so fast that they were there in ten minutes, bounding along the lakeshore toward the Social Harmony center out on Cherry Beach.
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teapot