the eightieth的意思|示意

Next October will mark the eightieth anniversary of what is generally considered the beginnings of the Depression.

下个十月大致上可以被认定为大萧条的开始。

At length, worn out by his long life of activity, he fell sick after a meal of dried boar's flesh, and died in the eightieth year of his age.

在长度，精疲力尽的他长期生活的活动，他病倒后，一餐干野猪的肉，并死在八十岁的他的年龄。

I hope you have a mother's eightieth birthday. May the mother in the New Year, happy everyday, day by day with laughter.

祝母亲的八十岁生日，愿母亲在新的一年中，天天都愉快，日日有笑声。