音標發(fā)音英式音標 [,?s?'te?n??s??te?n]美式音標 [??s.??te?n]國際音標 [,?s?'tein]英式發(fā)音 美式發(fā)音 基本解釋vt.確定;查明;探知詞根記憶as + cert(搞清) + ain→弄清,查明as + cert(確定) + ain→弄清,查明;確定同根派生ascertainascertain相關(guān)詞用法辨析v. (動詞)ascertain的基本意思是“發(fā)現(xiàn)前所未知的事物”。通常指意識到了自己的無知之后通過有意識的努力來弄清真相或找出事實。 ascertain是及物動詞,接truth, fact等名詞或名詞從句作賓語,可用于被動結(jié)構(gòu)。 ascertain使用方法ascertain詳細辨析英漢例句用作動詞 (v.)用作及物動詞: S+~+ n./pron.I'm going to ascertain the truth.我要查明真相。S+~+that-clauseI ascertained that he was dead.我確定他死了。S+~+wh-clauseI want to ascertain what time the train arrives, so that I may get to the station in time to meet my friend.我查清火車到達的時間,以便我準時到火車站去接我的朋友。ascertain更多例句詞組短語用作動詞 (v.)~+副詞ascertain accurately 準確地查明ascertain dimly 不是很確定ascertain distinctly 清楚地查明ascertain instantaneously 即刻弄清ascertain unhesitatingly 毫不遲疑地確定ascertain更多詞組英英字典劍橋英英字典 to discover something柯林斯英英字典 If you ascertain the truth about something, you find out what it is, especially by making a deliberate effort to do so. ascertain劍橋字典ascertain柯林斯字典專業(yè)釋義經(jīng)濟學確定Because the influence of technology progress on the labor supply is ascertain, the employment level is decided by labor demand.由于技術(shù)進步對勞動供給具有確定性的增加效應(yīng),所以,技術(shù)進步對就業(yè)水平的作用決定于其對勞動需求的不確定性影響。法學查明