六年级下-1

练习内容

[{"word":"younger","pronun":"[ˈjʌŋɡər]","translation":"n. 年纪较小者；幼辈\nadj. 较年轻的","audio":"younger.mp3"},{"word":"older","pronun":"[ˈoʊldər]","translation":"adj. 年长的；较旧的","audio":"older.mp3"},{"word":"ta