基本解釋伊爾茨同根派生 Hiltz相關詞英漢例句Tu &McIsaac, 2001;Hiltz, 1998).The definition of an online learning community is still evolving and remains obscure (Office of Learning Technologies, 1998). 然而，在線學習共同體的定義仍舊在發(fā)展中并處于模糊階段。Hiltz更多例句