这是怎么回事？
这个孩子的生命一半来源于另一位女士捐赠的“冷冻卵子”。[{'character': '这', 'pinyin': 'zhe4', 'highest pitch': 11.03, 'lowest pitch': 8.72, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '个', 'pinyin': 'ge4', 'highest pitch': 9.73, 'lowest pitch': 8.72, 'duration': 0.11, 'prosody hierarchy': '#1'}, {'character': '孩', 'pinyin': 'hai2', 'highest pitch': 9.15, 'lowest pitch': 7.05, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '子', 'pinyin': 'zii5', 'highest pitch': 8.48, 'lowest pitch': 7.23, 'duration': 0.11, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 7.68, 'lowest pitch': 7.23, 'duration': 0.09, 'prosody hierarchy': '#1'}, {'character': '生', 'pinyin': 'sheng1', 'highest pitch': 9.14, 'lowest pitch': 7.58, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '命', 'pinyin': 'ming4', 'highest pitch': 8.94, 'lowest pitch': 6.08, 'duration': 0.28, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.21}, {'character': '一', 'pinyin': 'i2', 'highest pitch': 9.04, 'lowest pitch': 6.91, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '半', 'pinyin': 'ban4', 'highest pitch': 9.13, 'lowest pitch': 7.55, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '来', 'pinyin': 'lai2', 'highest pitch': 7.55, 'lowest pitch': 6.79, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '源', 'pinyin': 'van2', 'highest pitch': 8.29, 'lowest pitch': 7.51, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '于', 'pinyin': 'v2', 'highest pitch': 8.11, 'lowest pitch': 6.89, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '另', 'pinyin': 'ling4', 'highest pitch': 10.96, 'lowest pitch': 8.11, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '一', 'pinyin': 'i2', 'highest pitch': 9.04, 'lowest pitch': 8.02, 'duration': 0.08, 'prosody hierarchy': 'null'}, {'character': '位', 'pinyin': 'uei4', 'highest pitch': 8.6, 'lowest pitch': 7.74, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '女', 'pinyin': 'nv3', 'highest pitch': 7.74, 'lowest pitch': 5.01, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '士', 'pinyin': 'shiii4', 'highest pitch': 7.76, 'lowest pitch': 5.42, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '捐', 'pinyin': 'jvan1', 'highest pitch': 8.54, 'lowest pitch': 6.45, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '赠', 'pinyin': 'zeng4', 'highest pitch': 9.13, 'lowest pitch': 6.52, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 7.68, 'lowest pitch': 6.06, 'duration': 0.12, 'prosody hierarchy': '#1'}, {'character': '冷', 'pinyin': 'leng3', 'highest pitch': 6.83, 'lowest pitch': 5.17, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '冻', 'pinyin': 'dong4', 'highest pitch': 10.33, 'lowest pitch': 8.43, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '卵', 'pinyin': 'luan2', 'highest pitch': 8.43, 'lowest pitch': 5.81, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '子', 'pinyin': 'zii3', 'highest pitch': 6.65, 'lowest pitch': 2.92, 'duration': 0.31, 'prosody hierarchy': '#4'}]