衍生　sparkling adj. 闪耀的，闪烁的
翻译　The film on show doesn’t have much sparkle on it（沉闷无生气）.
同义替换　shine v. 闪耀 glitter v. 闪烁
tentative [?tent?t?v] adj. 试探（性）的，试验（性）的
拆分　 tent（试验）+ ative（有……倾向/性质的）→试验（性）的
真题　Bille’s lenses are expected to reach the market in the year 2018, and one tentative plan is to use the Internet to transmit information on patients’ visual defects from the optician to the manufacturer, who will then produce and mail the contact lenses within a couple of days.