英[ə\'gɔ:n]
美[ə\'gɔn]
'Marooned three years agone,'he continued ,'and lived on goats since then, and berries, and oysters.
“ 三年前被放逐的, ” 他接着说, “ 几年来一直靠山羊 、 浆果和牡蛎为生.
英汉文学 - 金银岛
"two years ago"
"`agone' is an archaic word for `ago'"