late Middle English (in the senses serving as conclusive evidence of and making manifest): from Old French demonstratif, -ive, from Latin demonstrativus, from demonstrarepoint out (see demonstrate)
英英釋義網(wǎng)絡釋義
noun
1.a pronoun that points out an intended referent
2.given to or marked by the open expression of emotion;
...架構有六個步驟。分別是引入(recruitment)、示范(demonstration)、簡化作業(yè)(simplifying the tasks)、維持參與(maintaining participation)、給與回饋(feedback)、及控制挫折感(controlling frustration)等,