资料来源 : pyDict

70岁者

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Septuagenarian \Sep`tu*a*ge*na"ri*an\, n.
   A person who is seventy years of age; a septuagenary.

资料来源 : WordNet®

septuagenarian
     n : someone whose age is in the seventies