这是30-40单元双语的字卡，共有中文字卡200多张，对应的图卡200多张，和对应的英文字卡也是200多张，还包括了一本双语歌本共随时练习。这字卡设计为特别轻巧，方便孩童随时携带出门，随时复习，和随时可以跟同伴玩游戏！
This is a Box of Bilingual Character Flash Card for Units 30-40. There are more than 200 Chinese character cards, more than 200 corresponding picture cards, and more than 200 corresponding English character cards. It also includes a Bilingual SongBook for practice at any time. This Character Flash Card is designed to be particularly lightweight, which is convenient for children to carry out at any time, to review at any time, and to play games with their companions at any time!