基本解释n.二分之一同根派生 one-half相关词英汉例句用作名詞 (n.)Just under half of all mar-riages end in divorce.幾乎二分之一的婚姻是以離婚收場。Five over ten can be reduced to one over two.十分之五可以約成二分之一。one-half更多例句