四年级-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-四年级-下册 - 第7课
练习内容
[{"word":"go hiking","pronun":"","translation":"远足","audio":"word_go hiking_bea49b62_entry.mp3"},{"word":"good luck","pronun":"","translation":"好运","audio":"word_good luck_ab4c946c_entry.mp3"},{"word"