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