难道保护不应该从现在开始吗？
难道都要等到和熊猫一样几近绝迹才知道保护吗？[{'character': '难', 'pinyin': 'nan2', 'highest pitch': 8.88, 'lowest pitch': 7.17, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '道', 'pinyin': 'dao4', 'highest pitch': 9.48, 'lowest pitch': 7.96, 'duration': 0.26, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.04}, {'character': '都', 'pinyin': 'dou1', 'highest pitch': 10.86, 'lowest pitch': 10.21, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '要', 'pinyin': 'iao4', 'highest pitch': 10.92, 'lowest pitch': 8.37, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '等', 'pinyin': 'deng3', 'highest pitch': 8.37, 'lowest pitch': 5.85, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '到', 'pinyin': 'dao4', 'highest pitch': 9.48, 'lowest pitch': 6.0, 'duration': 0.27, 'prosody hierarchy': '#2'}, {'character': '和', 'pinyin': 'he2', 'highest pitch': 13.17, 'lowest pitch': 7.22, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '熊', 'pinyin': 'xiong2', 'highest pitch': 9.24, 'lowest pitch': 6.86, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '猫', 'pinyin': 'mao1', 'highest pitch': 10.57, 'lowest pitch': 8.47, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '一', 'pinyin': 'i2', 'highest pitch': 9.67, 'lowest pitch': 7.32, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '样', 'pinyin': 'iang4', 'highest pitch': 8.11, 'lowest pitch': 7.22, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '几', 'pinyin': 'ji1', 'highest pitch': 8.88, 'lowest pitch': 7.41, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '近', 'pinyin': 'jin4', 'highest pitch': 9.17, 'lowest pitch': 7.32, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '绝', 'pinyin': 'jve2', 'highest pitch': 7.32, 'lowest pitch': 5.94, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '迹', 'pinyin': 'ji4', 'highest pitch': 9.79, 'lowest pitch': 6.68, 'duration': 0.24, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.04}, {'character': '才', 'pinyin': 'cai2', 'highest pitch': 8.16, 'lowest pitch': 6.55, 'duration': 0.22, 'prosody hierarchy': '#1'}, {'character': '知', 'pinyin': 'zhiii1', 'highest pitch': 8.03, 'lowest pitch': 6.55, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '道', 'pinyin': 'dao4', 'highest pitch': 9.48, 'lowest pitch': 6.69, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '保', 'pinyin': 'bao3', 'highest pitch': 6.38, 'lowest pitch': 5.38, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '护', 'pinyin': 'hu4', 'highest pitch': 9.5, 'lowest pitch': 5.38, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '吗', 'pinyin': 'ma5', 'highest pitch': 8.73, 'lowest pitch': 7.15, 'duration': 0.31, 'prosody hierarchy': '#4'}]