小心！
咔嚓”，一块悬垂的楼板掉下来砸在旁边，官兵们的心一下提到嗓子眼。[{'character': '咔', 'pinyin': 'ka1', 'highest pitch': 10.7, 'lowest pitch': 10.21, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '嚓', 'pinyin': 'cha1', 'highest pitch': 11.01, 'lowest pitch': 10.32, 'duration': 0.34, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.31}, {'character': '一', 'pinyin': 'i2', 'highest pitch': 8.11, 'lowest pitch': 7.49, 'duration': 0.12, 'prosody hierarchy': 'null'}, {'character': '块', 'pinyin': 'kuai4', 'highest pitch': 9.28, 'lowest pitch': 7.57, 'duration': 0.27, 'prosody hierarchy': '#1'}, {'character': '悬', 'pinyin': 'xvan2', 'highest pitch': 10.69, 'lowest pitch': 7.72, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '垂', 'pinyin': 'chuei2', 'highest pitch': 10.69, 'lowest pitch': 7.2, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 8.61, 'lowest pitch': 7.14, 'duration': 0.1, 'prosody hierarchy': '#1'}, {'character': '楼', 'pinyin': 'lou2', 'highest pitch': 10.01, 'lowest pitch': 6.95, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '板', 'pinyin': 'ban3', 'highest pitch': 8.67, 'lowest pitch': 4.27, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '掉', 'pinyin': 'diao4', 'highest pitch': 10.67, 'lowest pitch': 9.13, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '下', 'pinyin': 'xia4', 'highest pitch': 8.63, 'lowest pitch': 5.8, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '来', 'pinyin': 'lai5', 'highest pitch': 5.8, 'lowest pitch': 4.39, 'duration': 0.2, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.08}, {'character': '砸', 'pinyin': 'za2', 'highest pitch': 6.58, 'lowest pitch': 5.5, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '在', 'pinyin': 'zai4', 'highest pitch': 7.71, 'lowest pitch': 5.97, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '旁', 'pinyin': 'pang2', 'highest pitch': 6.68, 'lowest pitch': 5.55, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '边', 'pinyin': 'bian1', 'highest pitch': 8.78, 'lowest pitch': 8.25, 'duration': 0.25, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.41}, {'character': '官', 'pinyin': 'guan1', 'highest pitch': 10.29, 'lowest pitch': 9.97, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '兵', 'pinyin': 'bing1', 'highest pitch': 10.99, 'lowest pitch': 10.29, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '们', 'pinyin': 'men5', 'highest pitch': 10.85, 'lowest pitch': 6.48, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '的', 'pinyin': 'de5', 'highest pitch': 8.61, 'lowest pitch': 6.33, 'duration': 0.11, 'prosody hierarchy': 'null'}, {'character': '心', 'pinyin': 'xin1', 'highest pitch': 8.55, 'lowest pitch': 6.59, 'duration': 0.26, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.15}, {'character': '一', 'pinyin': 'i2', 'highest pitch': 8.11, 'lowest pitch': 6.59, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '下', 'pinyin': 'xia4', 'highest pitch': 8.63, 'lowest pitch': 6.55, 'duration': 0.24, 'prosody hierarchy': '#1'}, {'character': '提', 'pinyin': 'ti2', 'highest pitch': 7.28, 'lowest pitch': 6.98, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '到', 'pinyin': 'dao4', 'highest pitch': 8.91, 'lowest pitch': 6.98, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '嗓', 'pinyin': 'sang3', 'highest pitch': 4.72, 'lowest pitch': 4.33, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '子', 'pinyin': 'zii5', 'highest pitch': 9.87, 'lowest pitch': 8.64, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '眼', 'pinyin': 'ian3', 'highest pitch': 9.7, 'lowest pitch': 3.67, 'duration': 0.31, 'prosody hierarchy': '#4'}]