、分数默示法 ()中枢章程 1. 基本结构:分子用基数词,分母用序数词;分子>1时,分母用复数模样 - 1/2 → a(one) half - 1/3 → a(one) third - 2/4 → two fourths 2. 复杂分数:可用 over 简明抒发 - 22/9 → twenty-tw...