单词	pitter-patter
释义	pitter-patterpit‧ter-pat‧ter /ˈpɪtə ˌpætə $ ˈpɪtər ˌpætər/ adverb literary Word Origin WORD ORIGINpitter-patter Origin: 1400-1500 From the sound Collocations COLLOCATIONS FROM THE ENTRY► went pitter-patter  Anna’s heart went pitter-patter as she opened the letter. with quick light beats or steps:  Anna’s heart went pitter-patter as she opened the letter.—pitter-patter noun [singular]:  the pitter-patter of small feet running up the stairs
随便看	infiltrate infiltration infiltrator infinite infinitely infinitesimal infinitesimally infinitive infinitude infinity infinity pool infirm infirmary infirmity in flagrante inflame inflamed inflammable inflammation inflammatory inflatable inflate inflated inflation inflationary

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