1.第七十(的)
2.七十号(的);第七十次(的)
3.七十分之一(的)
1.in the place or position counted as number 70
2.one of 70 equal parts of something
1.He even produced the White House concert in celebration of jazz musician Duke Ellington's seventieth birthday in nineteen sixty-nine.
1969年,他甚至在白宫主办了一次音乐会,纪念爵士音乐家杜克.埃林顿七十岁诞辰。
2.Virginia committed suicide in 1941; this year marks the seventieth anniversary of her death.
弗吉尼亚也在1941年自杀了:今年是她逝世七十周年的纪念日。
3.Tyler was past his seventieth birthday when his 15th child was born.
泰勒总统七十岁生日时,他第十五个孩子降生了。
4.George Bernard Shaw's Speech on His Seventieth Birthday
乔治?萧伯纳在他七十寿辰的讲话