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seventy num./a.七十 pron.七十(个，只...)

释义2： seventy
/ 5sevEnti: /

◙ (pl. -ies)
1. the number equivalent to the product of seven and ten; ten less than eighty; 70[Roman numeral: lxx or LXX]
• 七十；七十个[罗马数字：lxx 或 LXX]
»about seventy people attended.
  大约70人出席。
»seventy were arrested.
  70人被捕了。
  (seventies)the numbers from seventy to seventy-nine, especially the years of a century or of a person's life
• 七十几；七十年代；七十几岁
»Dad was now in his seventies.
  爸爸现在70多岁了。
  seventy years old
• 七十岁
»she was nearly seventy.
  她快70岁了。
  seventy miles an hour
• 时速七十英里
»doing about seventy.
  每小时行驶约70英里。
  a size of garment or other merchandise denoted by seventy
• （衣服等商品的）七十号

【派生】

♦ seventieth ordinal number
◘ seventyfold adjective & adverb

【语源】

1. Old English hundseofontig, from hund- (of uncertain origin) + seofon 'seven'

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