1.It is estimated that he had to eat one fiftieth of his own body weight each day.

据估计它每天要吃下的食物达到自己体重的五十分之一。

2.And fiftieth is the correct way to write the ordinal number.

fiftith 序数词的正确写法。

3.We were at Mexico, celebrating a frined's fiftieth birthday party .

我们去墨西哥参加朋友的50岁生日聚会。

4.Those from husband to wife, or from wife to husband, to the fiftieth penny.

夫传妻者，妻传夫者，至第五十文。机翻

5.Among the names was Golda Meyerson, who had recently celebrated her fiftieth birthday.

其中包括戈尔达·迈耶森 (Golda Meyerson)，她最近刚刚祝了自己的五十岁生日。机翻

6.I want to say something that will seem natural, something that I would write to my cousin about our fiftieth birthday.

我想要说一些很自然的话，我会写给我表亲的祝五十岁生日的话。

7.He drank too much on his fiftieth birthday and soon passed away.

他在50岁生日那天喝得太多, 不久就去世了。

8.On the Fourth of July, eighteen twenty-six, the nation began its celebration of the fiftieth anniversary of the Declaration of Independence.

1826年7月4日，美国开始祝《独立宣言》五十周年。

9.I would like to wish you a happy fiftieth birthday—may you have fifty more!

祝你50岁生日快乐—并祝你再活50年。

10.The voyage also honored the fiftieth anniversary of the Russian Vostok research station in Antarctica.

这次航行还纪念了俄罗斯极洲“东方”号研究站成立 50 周年。机翻

11.They had great-grand-children, and were soon to celebrate the fiftieth anniversary of their marriage; but they could not exactly recollect the date.

他们已经父母了，不久他们就要祝他们的金婚。可他们记不清具体日期了。

12.In 1720, interest was reduced from the twentieth to the fiftieth penny, or from five to two per cent.

1720 年， 利息从 20 便士降至 50 便士， 或从 5% 降至 2%。机翻

13.John Adams died at ninety-one, appropriately, the Fourth of July 1826, the fiftieth anniversary of the Declaration of Independence.

约翰·亚当斯于1826年7月4日逝世, 享年91岁, 恰逢《独立宣言》发表50周年。机翻

14.Out came the thin, butter-yellow watch again, and for the twentieth — fiftieth — hundredth time he made the calculation.

薄薄的奶油黄色手表又出来了， 他计算了第二十次——第五十次——第一百次。机翻

15.I'm arranging a party for my parents' fiftieth wedding anniversary, and I'm ringing to ask about hiring a room some time next September.

我要为我父母的金婚典组织一个派对，我打电话来就想询问一下下个九月份的某个时间租个房间的事情。

16.His noon meal he ate under a twisted juniper tree. " It's good to be home, " he told himself for the fiftieth time.

中午，他会在一棵扭曲的桧树下吃午饭。“回家真好，”他第五次对自己说。

17.The voyage commemorated the 270th anniversary of the Russian discovery of America and the fiftieth anniversary of Yuri Gagarin's pioneering space flight.

这次航行为了纪念俄罗斯发现美洲 270 周年和尤里·加加林开创性太空飞行 50 周年。机翻

18.16. So, they're celebrating their fiftieth anniversary this year, and I noticed online that you have old menus from some of the restaurants.

所以他们今年正在祝他们的第50个纪念日。并且，我发现在网上你们有一些餐馆以前的餐单。

19.Chazel, who really knows more than I do, always throws some blunder in his compositions which gets him put back to the fiftieth place.

Chazel， 他真的比我知道的更多， 总在他的作品中犯一些错误， 这让他回到了第 50 名。机翻

20.On Huang Kan's fiftieth birthday, his teacher Zhang Taiyan personally wrote a couplet for him, called " The Weibian Sanjue Now Knows Destiny" .

黄侃五十岁生日那天， 他的老师张太炎亲自为他写了一副对联，叫《魏边三觉现在知命》。