四年级下-3

练习内容

[{"word":"outside","pronun":"[ˌaʊtˈsaɪd]","translation":"adj. 外面的，外部的；外来的\nn. 外部；外观\nadv. 在外面，向外面；在室外\nprep. 在…范围之外","audio":"outside.mp3"},{"word":"be careful","pronun":"","translation":"小心；当心；注意","a