五年级-下册-3

练习内容

[{"word":"be","pronun":"[bi; biː]","translation":"是；存在(am, is, are等的原形动词)；是；存在( am, is, are 等的原形动词)","audio":"word_be_910955a9_entry.mp3"},{"word":"feel","pronun":"[fiːl]","translation":"觉得；感到","audio