常見例句雙語例句This is the ninetieth edition of this book.這是本書的第九十版。My mother has no idea that her ninetieth birthday is coming up.我的母親，她的第九十天的生日快到了，不知道。We’re having a family reunion. It’s my grandmother’s ninetieth birthday.我們有一個家庭聚會，是我祖母的90嵗生日。原聲例句This year,Junior Achievement marks its ninetieth anniversary of educating young people about business and economics.It was released in two thousand five to observe his ninetieth birthday.That is where he celebrated his ninetieth birthday. 返回 ninetieth