怦怦[pēng pēng]
象thump：重击，捶击；步履沉重地走；（心脏等）扑扑地跳；砰地撞到。
象go pit-a-pat：怦怦。
[象] (of the beating of the heart) thump; go pit-a-pat
1. boom boom：oooh woow 噢...喔... | boom boom 怦怦 | boom, boom, boom, boom, boom 怦怦怦怦怦