五年级-上册-4

练习内容

[{"word":"at","pronun":"[ət; æt]","translation":"在……（某处或某时间）","audio":"word_at_7d0db380_entry.mp3"},{"word":"evening","pronun":"[ˈiːvnɪŋ]","translation":"晚上；傍晚","audio":"word_evening_ee115084_entry.mp