Go Pit-a-pat怦怦
"he came running pit-a-pat down the hall"
同义词：pitty-pattypitty-patpitter-patter
"his heart went pit-a-pat"
ADV（副词） with quick light taps or beats 轻击地
V（动词） to make quick light taps or beats 轻击
N（名词） such taps or beats 轻击