1.第八十
2.八十分之一的
1.第八十个
2.八十分之一
1.one of 80 equal parts of something
2.the birthday of somebody who has just reached 80 years of age
1.On her eightieth birthday, the old lady hoped the postman could deliver some letters even parcels to her.
在80大寿时,老太太希望邮递员给她送来几封信甚至邮包。
2.In 1790, to celebrate his eightieth birthday, he summoned opera troupes from different places to perform for him in Beijing.
1790年,为了庆贺他的八十诞辰,他召集了全国各地的戏班子来京为他表演。
3.Next October will mark the eightieth anniversary of what is generally considered the beginnings of the Depression.
明年十月将是经济大萧条的公认起点的八十周年纪念。
4.We made a special meal for my grandma's eightieth birthday last Sunday.
上个星期天我们特地为我奶奶的八十岁生日准备了一顿丰盛的饭菜。
5.You're in your eightieth. Please face the reality.
你都说了八十遍了。面对现实吧。
6.The Thought of "Three Representations" and the Eightieth Anniversary of the Chinese Communist Party
“三个代表”思想与中国共产党八十年