KET核心词-70

练习内容

[{"word":"understand","pronun":"[ˌʌndərˈstænd]","translation":"vi. 理解；懂得；熟悉\nvt. 理解；懂；获悉；推断；省略","audio":"understand.mp3"},{"word":"unfortunately","pronun":"[ʌnˈfɔːrtʃənətli]","translation":"adv. 不幸地",