山上雪太深，我们下山会很困难。
他要下山就得用手刨雪。[{'character': '他', 'pinyin': 'ta1', 'highest pitch': 11.03, 'lowest pitch': 10.51, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '要', 'pinyin': 'iao4', 'highest pitch': 11.06, 'lowest pitch': 9.53, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '下', 'pinyin': 'xia4', 'highest pitch': 10.41, 'lowest pitch': 8.35, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '山', 'pinyin': 'shan1', 'highest pitch': 10.54, 'lowest pitch': 8.35, 'duration': 0.3, 'prosody hierarchy': '#2'}, {'character': '就', 'pinyin': 'jiou4', 'highest pitch': 10.47, 'lowest pitch': 7.65, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '得', 'pinyin': 'dei3', 'highest pitch': 8.14, 'lowest pitch': 5.5, 'duration': 0.14, 'prosody hierarchy': '#1'}, {'character': '用', 'pinyin': 'iong4', 'highest pitch': 9.7, 'lowest pitch': 6.02, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '手', 'pinyin': 'shou3', 'highest pitch': 14.31, 'lowest pitch': 4.53, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '刨', 'pinyin': 'pao2', 'highest pitch': 10.55, 'lowest pitch': 6.05, 'duration': 0.27, 'prosody hierarchy': 'null'}, {'character': '雪', 'pinyin': 'xve3', 'highest pitch': 10.55, 'lowest pitch': 3.72, 'duration': 0.34, 'prosody hierarchy': '#4'}]