三年级下-4

练习内容

[{"word":"twelve","pronun":"[twelv]","translation":"num. 十二；十二个\nn. 十二；十二个\nadj. 十二的；十二个的","audio":"word_twelve_15f6f8dc_entry.mp3"},{"word":"thirteen","pronun":"[ˌθɜːrˈtiːn]","translation":"n. 十三；十三岁