Chapter.18

练习内容

[{"word":"freely","pronun":"'fri:li","translation":" adv.\u81ea\u7531\u5730 \u514d\u8d39\u5730 \u76f4\u7387\u5730 \u5927\u91cf\u5730"},{"word":"gross","pronun":"gr\u0259us","translation":" adj.\u603b\