num.第五十
n.第五十(個)
adj.第五十的
adv.第五十
The foundations grew quickly during the nineteen fortieth and fiftieth. 該基金在20世紀(jì)四五十年代成長迅速。
用作形容詞 (adj.)A golden wedding is the fiftieth anniversary of a marriage. 金婚是結(jié)婚五十周年紀(jì)念日。
In 1929 a great celebration was held on his fiftieth birthday in Berlin. 1929年，在他五十壽辰的時候，人們在柏林舉行了盛大的慶祝會。
