五年级上-7

课程：同步教材-人教版三年级起点 · 打字比赛

词书: 人教版三年级起点五年级上 - 第7课

练习内容

[{"word":"mountain","pronun":"[ˈmaʊntn]","translation":"n. 山；山脉","audio":"mountain.mp3"},{"word":"hill","pronun":"[hɪl]","translation":"n. 小山；丘陵；斜坡；山冈","audio":"hill.mp3"},{"word":"tree","pronun":"[tr