wèi le / bāng zhù / dú zhě / liàn xí / fā yīn / zhè běn / jiào cái / fù sòng / yì zhāng / yīn pín / xià zǎi / kǎ

为了帮助读者练习发音，这本教材附送一张音频下载卡。

To help readers practice pronunciation, this textbook comes with an audio download card.