Chapter.29

练习内容

[{"word":"burden","pronun":"'b\u0259:dn","translation":" n.\u62c5\u5b50 \u8d1f\u62c5 \u91cd\u62c5 \u88c5\u8f7d\u91cf v.\u4f7f\u8d1f\u91cd \u88c5\u8f7d \u70e6\u6270"},{"word":"traitor","pronun":"'treit