In 1790, a bunch of different troupes came to Beijing to celebrate the eightieth birthday of Emperor Qian Long.

直到1790年 一群风格各不相同剧团来京城庆祝乾隆皇帝八十大寿。

I interviewed Henry Ford shortly before his eightieth birthday.

我在亨利福特八十岁生日前不久采访了他。

France's coach Didier Deschamps said the manner of his team's defeat was cruel given their stirring comeback after the eightieth minute.

法国队主教练迪迪埃·德尚表示，鉴于法国队在第 80 激人转，球队输球方式是残酷。

" I wish you'd been there when we went down to present him with his portrait on his eightieth birthday. It really was a memorable occasion" .

" 那次他八十岁生日，我们把他一幅画像送去给他时候，可惜你不在场。 那真是一个令人难忘场面。"

By the late 1930s Pershing's health was in decline as he approached his eightieth birthday, and he spent more of his time at the Walter Reed Military Hospital.

到了 20 世纪 30 年代末， 潘兴已接近八十岁生日， 他健康状况每况愈下，他大部时间都在沃尔特·里德军事医院度过。

Because the Moon has only an eightieth of the Earth's mass, it requires 97% less energy to travel the quarter of a million miles from the Moon to Earth-orbit than the 200 mile-journey from Earth's surface into orbit!

因为月球重只有地球1/8，因此，从月球到地球25万英里所消耗能量要比从地球表面进入地球轨道200英里所耗能量少97%。