中国的航天技术日益发展。
中国也把手伸向了月球。[{'character': '中', 'pinyin': 'zhong1', 'highest pitch': 11.28, 'lowest pitch': 11.07, 'duration': 0.28, 'prosody hierarchy': 'null'}, {'character': '国', 'pinyin': 'guo2', 'highest pitch': 9.63, 'lowest pitch': 7.98, 'duration': 0.28, 'prosody hierarchy': '#2'}, {'character': '也', 'pinyin': 'ie2', 'highest pitch': 8.7, 'lowest pitch': 8.28, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '把', 'pinyin': 'ba2', 'highest pitch': 9.71, 'lowest pitch': 7.52, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '手', 'pinyin': 'shou3', 'highest pitch': 9.71, 'lowest pitch': 5.83, 'duration': 0.25, 'prosody hierarchy': '#1'}, {'character': '伸', 'pinyin': 'shen1', 'highest pitch': 8.84, 'lowest pitch': 6.47, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '向', 'pinyin': 'xiang4', 'highest pitch': 9.44, 'lowest pitch': 6.76, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '了', 'pinyin': 'le5', 'highest pitch': 7.8, 'lowest pitch': 6.68, 'duration': 0.13, 'prosody hierarchy': '#1'}, {'character': '月', 'pinyin': 've4', 'highest pitch': 9.98, 'lowest pitch': 7.2, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '球', 'pinyin': 'qiou2', 'highest pitch': 8.05, 'lowest pitch': 5.87, 'duration': 0.4, 'prosody hierarchy': '#4'}]