1、He retired in 1970, on hisfiftieth birthday.(他在1970年50岁生日时退休。)
2、Afiftieth anniversary exhibition will honor the architect and his work.(五十周年展是为了纪念这位建筑师和他的作品。)
3、sfiftieth birthday, and Jim had two plane tickets to Hawaii in his pocket.(其实，事情是这样的：当天是卡罗尔的50岁生日，而吉姆的口袋里有两张去夏威夷的机票。)
4、This year marks thefiftieth anniversary of the seaway's opening.(今年是圣劳伦斯航道开通的五十周年。)
5、For my friend's husband passed away two years ago, just short of theirfiftieth wedding anniversary.(这位朋友的丈夫在两年前去世了，就在他们50周年结婚纪念日前不久。)
6、We were at a friend'sfiftieth birthday party in Mexico.(我们去墨西哥参加朋友的50岁生日聚会。)
7、He was stricken by a heart attack on hisfiftieth birthday.(他在五十岁生日那天心脏病发作。)
8、This week marks thefiftieth anniversary of the Peace Corps.(本周是和平队成立五十周年。)
9、I am dancing with my father at my parents'fiftieth wedding anniversary.(在父母五十周年结婚纪念日那天我与父亲跳舞了。)
10、This new method was brought into existence in thefiftieth.(这一新方法出现于五十年代。)
11、Grandpa had given the pair of swans to Grandma on theirfiftieth anniversary.(他们结婚五十周年时爷爷送给奶奶了一对天鹅。)
12、And if you are considering a jump, whether it is your first orfiftieth, New Zealand is the place to do it.(当你在考虑进行一次跳伞时，无论这是你的第一次还是第50次，新西兰都是你应该去的地方。) haO86.com
13、Thefiftieth year shall be a jubilee for you; do not sow and do not reap what grows of itself or harvest the untended vines.(第五十年要作为你们的禧年。这年不可耕种，地中自长的，不可收割；没有修理的葡萄树，也不可摘取葡萄。)
14、Dawn’s produce 92 millinewtons of thrust, something like afiftieth of the amount in a smallish firework rocket.(“黎明”号产生的推进力仅为0.092牛顿，是小型烟花火箭推进力的五十分之一。)
15、Berlin in 1929 held a public celebration on Einstein'sfiftieth birthday.(柏林在1929年爱因斯坦第五十岁生日时举办了一个公开庆祝会。)
16、Tomorrow it will be thefiftieth anniversary of the old couple's wedding.(明天是这对老夫妇结婚50周年纪念日。)
17、Somewhere about hisfiftieth birthday on Christmas day 1692, he suffered what we should now term a severe nervous breakdown.(大约在他50岁生日即1692年圣诞日，在某个地方，他患了我们现在所称的严重的神经衰弱。)
18、Second, I didn't understand afiftieth of what he was talking about.(第二，他说的这么多话我基本一句听不懂。)
19、I'd visited him three times — on my tenth birthday, on hisfiftieth, and when Ma died.(我去监狱里探望过他三回——我十岁生日一次，老爸五十岁生日一次，还有妈妈过世的时候。)
20、A golden wedding is thefiftieth anniversary of a marriage.(金婚是结婚五十周年纪念日。)
21、It doesn't matter tomorrow if they come in first orfiftieth.(他们明天得第一名还是第五十名都不重要。)
