/ˈjestədeɪ;ˈjestədi ||; ˈjɛstɚˌde; ˈjɛstɚdɪ/adv noun[C,U] (on) the day before today 昨天:
Did you watch the film on TV yesterday? 昨天你有没有看电视上的影片？yesterday morning/afternoon/evening 昨天早上╱下午╱晚上I posted the form the day before yesterday (= if I am speaking on Wednesday, I posted it on Monday). 我前天把表格寄出了。Have you still got yesterday's paper? 你还留着昨天的报纸吗？I spent the whole of yesterday walking round the shops. 昨天我花了一整天时间逛商店。