三年级-下册-7
课程：冀教版三年级起点 · 英文练习
词书: 冀教版三年级起点-三年级-下册 - 第7课
练习内容
[{"word":"fast","pronun":"[fæst]","translation":"快","audio":"word_fast_31d4541b_entry.mp3"},{"word":"fat","pronun":"[fæt]","translation":"胖的","audio":"word_fat_0d8dc086_entry.mp3"},{"word":"first","pr