你确定这样做是安全的吗？
次日上午，又将该手机埋入苏家楼下的萝卜坑内。[{'character': '次', 'pinyin': 'cii4', 'highest pitch': 11.17, 'lowest pitch': 10.28, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '日', 'pinyin': 'riii4', 'highest pitch': 10.28, 'lowest pitch': 9.67, 'duration': 0.12, 'prosody hierarchy': '#1'}, {'character': '上', 'pinyin': 'shang4', 'highest pitch': 11.18, 'lowest pitch': 7.96, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '午', 'pinyin': 'u3', 'highest pitch': 12.92, 'lowest pitch': 4.14, 'duration': 0.23, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.2}, {'character': '又', 'pinyin': 'iou4', 'highest pitch': 10.84, 'lowest pitch': 8.56, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '将', 'pinyin': 'jiang1', 'highest pitch': 9.56, 'lowest pitch': 8.56, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '该', 'pinyin': 'gai1', 'highest pitch': 9.25, 'lowest pitch': 8.61, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '手', 'pinyin': 'shou3', 'highest pitch': 8.54, 'lowest pitch': 4.71, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '机', 'pinyin': 'ji1', 'highest pitch': 7.9, 'lowest pitch': 5.48, 'duration': 0.25, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.09}, {'character': '埋', 'pinyin': 'mai2', 'highest pitch': 7.72, 'lowest pitch': 6.34, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '入', 'pinyin': 'ru4', 'highest pitch': 7.58, 'lowest pitch': 6.89, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '苏', 'pinyin': 'su1', 'highest pitch': 8.86, 'lowest pitch': 7.04, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '家', 'pinyin': 'jia1', 'highest pitch': 9.17, 'lowest pitch': 8.72, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '楼', 'pinyin': 'lou2', 'highest pitch': 8.84, 'lowest pitch': 6.03, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '下', 'pinyin': 'xia4', 'highest pitch': 8.39, 'lowest pitch': 6.44, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 6.52, 'lowest pitch': 5.74, 'duration': 0.09, 'prosody hierarchy': '#1'}, {'character': '萝', 'pinyin': 'luo2', 'highest pitch': 6.95, 'lowest pitch': 5.72, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '卜', 'pinyin': 'bo5', 'highest pitch': 9.5, 'lowest pitch': 8.41, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '坑', 'pinyin': 'keng1', 'highest pitch': 8.27, 'lowest pitch': 7.36, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '内', 'pinyin': 'nei4', 'highest pitch': 7.54, 'lowest pitch': 5.14, 'duration': 0.28, 'prosody hierarchy': '#4'}]