詞根pat來自拉丁語的詞根pat 意爲(wèi)to walk。同義詞根有來自拉丁語的ambul[ambl]。 1.expatiate [曏外走出去ex(=out) + pat(=walk)] vi.詳述,細(xì)說 She expatiated on the topic of flower arranging.她就插花這一主題進(jìn)行了詳細(xì)的闡述。 2.peripatetic adj.流動(dòng)的;巡廻工作的 peri(=around) peripatetic religious teachers of India 印度的周遊四方宗教教師