But of all anniversaries I think the seventieth is the most momentous.
但是所有这些生日纪念当中,最为重要的我想要算七十岁生日了。
They congratulated him on his seventieth birthday.
他们祝贺他的七十寿辰.
They changed and said it would come when the skin reached the seventieth floor.
他们只好改口说,要等大楼外墙建到70楼,才会出现干扰.