seventiesn.
英 'sev(ə)ntɪ | 美 'sɛvnti
中文n. 七十；七十个；七十岁；七十年代\nadj. 七十的；七十个的；七十岁的\nnum. 七十
七十；七十个；七十岁；七十年代
adj. 七十的；七十个的；七十岁的
num. 七十
词根词源
seventies (n.)1859 as the years of someone\\'s life between 70 and 79; from 1837 as the eighth decade of years in a given century. See seventy.
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