是吗？她进步很大吗？
王德显介绍，张莹莹如今才是他的得意弟子。[{'character': '王', 'pinyin': 'uang2', 'highest pitch': 10.44, 'lowest pitch': 8.45, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '德', 'pinyin': 'de2', 'highest pitch': 10.91, 'lowest pitch': 9.92, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '显', 'pinyin': 'xian3', 'highest pitch': 10.66, 'lowest pitch': 5.39, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '介', 'pinyin': 'jie4', 'highest pitch': 7.92, 'lowest pitch': 5.59, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '绍', 'pinyin': 'shao4', 'highest pitch': 8.49, 'lowest pitch': 6.04, 'duration': 0.27, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.32}, {'character': '张', 'pinyin': 'zhang1', 'highest pitch': 10.2, 'lowest pitch': 9.63, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '莹', 'pinyin': 'ing2', 'highest pitch': 9.63, 'lowest pitch': 7.0, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '莹', 'pinyin': 'ing5', 'highest pitch': 8.95, 'lowest pitch': 8.07, 'duration': 0.27, 'prosody hierarchy': '#2'}, {'character': '如', 'pinyin': 'ru2', 'highest pitch': 7.67, 'lowest pitch': 6.62, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '今', 'pinyin': 'jin1', 'highest pitch': 9.96, 'lowest pitch': 7.32, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '才', 'pinyin': 'cai2', 'highest pitch': 8.4, 'lowest pitch': 6.53, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '是', 'pinyin': 'shiii4', 'highest pitch': 7.42, 'lowest pitch': 6.78, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '他', 'pinyin': 'ta1', 'highest pitch': 7.86, 'lowest pitch': 6.76, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 7.6, 'lowest pitch': 6.49, 'duration': 0.11, 'prosody hierarchy': '#1'}, {'character': '得', 'pinyin': 'de2', 'highest pitch': 10.91, 'lowest pitch': 6.28, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '意', 'pinyin': 'i4', 'highest pitch': 8.01, 'lowest pitch': 7.26, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '弟', 'pinyin': 'di4', 'highest pitch': 8.51, 'lowest pitch': 6.16, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '子', 'pinyin': 'zii3', 'highest pitch': 13.58, 'lowest pitch': 4.39, 'duration': 0.28, 'prosody hierarchy': '#4'}]