你们为什么不再要小孩了？
据王瑞琛介绍，他们已接受节育手术，没可能再要小孩。[{'character': '据', 'pinyin': 'jv4', 'highest pitch': 10.01, 'lowest pitch': 8.56, 'duration': 0.27, 'prosody hierarchy': '#2'}, {'character': '王', 'pinyin': 'uang2', 'highest pitch': 9.81, 'lowest pitch': 7.15, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '瑞', 'pinyin': 'ruei4', 'highest pitch': 10.42, 'lowest pitch': 8.93, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '琛', 'pinyin': 'chen1', 'highest pitch': 10.5, 'lowest pitch': 8.93, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '介', 'pinyin': 'jie4', 'highest pitch': 10.5, 'lowest pitch': 7.65, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '绍', 'pinyin': 'shao4', 'highest pitch': 7.65, 'lowest pitch': 5.83, 'duration': 0.25, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.24}, {'character': '他', 'pinyin': 'ta1', 'highest pitch': 8.48, 'lowest pitch': 7.84, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '们', 'pinyin': 'men5', 'highest pitch': 7.91, 'lowest pitch': 7.25, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '已', 'pinyin': 'i3', 'highest pitch': 7.25, 'lowest pitch': 5.0, 'duration': 0.12, 'prosody hierarchy': '#1'}, {'character': '接', 'pinyin': 'jie1', 'highest pitch': 7.63, 'lowest pitch': 5.07, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '受', 'pinyin': 'shou4', 'highest pitch': 8.41, 'lowest pitch': 5.86, 'duration': 0.2, 'prosody hierarchy': '#2'}, {'character': '节', 'pinyin': 'jie2', 'highest pitch': 9.22, 'lowest pitch': 5.86, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '育', 'pinyin': 'v4', 'highest pitch': 9.92, 'lowest pitch': 8.77, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '手', 'pinyin': 'shou3', 'highest pitch': 13.41, 'lowest pitch': 8.77, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '术', 'pinyin': 'shu4', 'highest pitch': 12.65, 'lowest pitch': 7.17, 'duration': 0.24, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.27}, {'character': '没', 'pinyin': 'mei2', 'highest pitch': 10.82, 'lowest pitch': 8.03, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '可', 'pinyin': 'ke3', 'highest pitch': 9.58, 'lowest pitch': 6.8, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '能', 'pinyin': 'neng2', 'highest pitch': 6.8, 'lowest pitch': 5.5, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '再', 'pinyin': 'zai4', 'highest pitch': 8.58, 'lowest pitch': 6.77, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '要', 'pinyin': 'iao4', 'highest pitch': 6.77, 'lowest pitch': 5.97, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '小', 'pinyin': 'xiao3', 'highest pitch': 6.17, 'lowest pitch': 4.38, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '孩', 'pinyin': 'hai2', 'highest pitch': 6.45, 'lowest pitch': 4.99, 'duration': 0.36, 'prosody hierarchy': '#4'}]