Hints: 本期學(xué)習(xí)的字源：du-=two二，dou為其變形 TIME Express 單詞不需要大寫(xiě)，單詞與例句或不同詞條之間換行即可。 注解中詳細(xì)介紹了單詞的拆分與釋義，是學(xué)習(xí)字源分析的重中之重！一定記得聽(tīng)寫(xiě)后來(lái)看注解！
double dual TIME Express serves the dual purpose of supplying information and aiding language acquisition. duet A duet requires two players or singers to perform. duplicity The ticket agent sold the same ticket to five different customers. This is a clear case of duplicity.
TIME Express serves the dual purpose of supplying information and aiding language acquisition. 《解讀時(shí)代》具有雙重使命：提供資訊以及輔助語(yǔ)言學(xué)習(xí)。 A duet requires two players or singers to perform. 二重奏（二重唱）需要兩位樂(lè)手或歌手演出。 The ticket agent sold the same ticket to five different customers. This is a clear case of duplicity. 黃牛把同一張票賣給了5個(gè)人，這顯然是欺詐。