Chapter.21

练习内容

[{"word":"coin","pronun":"[kɔɪn]","translation":"n.硬币","audio":"word_coin_96a9519b_entry.mp3"},{"word":"blouse","pronun":"[blaʊz]","translation":"（女士）短上衣；衬衫","audio":"word_blouse_2bbbc09c_entry.mp3"},