短語詞組用作動(dòng)詞 (v.)～+副詞speculate casually 碰巧地猜測(cè)speculate rashly 輕率地推測(cè)speculate shrewdly 精明地猜測(cè)speculate theoretically 理論地猜測(cè)～+介詞speculate about 關(guān)于…思索speculate as to 為…思索speculate for 〔in〕 投機(jī)speculate on 關(guān)于…推測(cè)短語 返回 speculates