这盒磁带里保存着他父亲年轻时录下的讲座。Zhè hé cídài lǐ bǎocún zhe tā fùqīn niánqīng shí lù xià de jiǎngzuò.This cassette tape preserves a lecture recorded by his father when he was young.
爸爸的抽屉里还放着一堆旧磁带。Bàba de chōuti lǐ hái fàng zhe yì duī jiù cídài.A pile of old cassette tapes is still in Dad's drawer.
以前学英语,我们都是听磁带练习发音。Yǐqián xué Yīngyǔ, wǒmen dōu shì tīng cídài liànxí fāyīn.In the past, when learning English, we all listened to cassette tapes to practise pronunciation.