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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