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单词 octennial
释义 octennial
 —octennially,  adj.  
 /ok ten"ee euhl/,  adj.  
  1. occurring every eight years.
  2. of or for eight years.
 [1650-60; < LL octenni(um) eight-year period (oct- OCT- + -enn-, comb. form of annus year + -ium -IUM) + -AL1]
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更新时间:2024/12/23 18:44:33