三年级上-1

练习内容

[{"word":"ruler","pronun":"[ˈruːlər]","translation":"n. 尺；统治者；[测] 划线板，划线的人","audio":"ruler.mp3"},{"word":"pencil","pronun":"[ˈpensl]","translation":"n. 铅笔；笔状物\nvt. 用铅笔写；用眉笔涂\nvi. 成铅笔状","audio":"pencil