你知道吗，河豚鱼可以吃，但需要注意。
众所周知，河豚鱼味道鲜美，但含有剧毒。[{'character': '众', 'pinyin': 'zhong4', 'highest pitch': 11.33, 'lowest pitch': 9.73, 'duration': 0.25, 'prosody hierarchy': 'null'}, {'character': '所', 'pinyin': 'suo3', 'highest pitch': 9.73, 'lowest pitch': 5.33, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '周', 'pinyin': 'zhou1', 'highest pitch': 9.6, 'lowest pitch': 5.67, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '知', 'pinyin': 'zhiii1', 'highest pitch': 10.12, 'lowest pitch': 9.92, 'duration': 0.26, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.14}, {'character': '河', 'pinyin': 'he2', 'highest pitch': 14.13, 'lowest pitch': 8.77, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '豚', 'pinyin': 'tuen2', 'highest pitch': 9.55, 'lowest pitch': 7.41, 'duration': 0.28, 'prosody hierarchy': 'null'}, {'character': '鱼', 'pinyin': 'v2', 'highest pitch': 8.99, 'lowest pitch': 6.84, 'duration': 0.18, 'prosody hierarchy': '#2'}, {'character': '味', 'pinyin': 'uei4', 'highest pitch': 10.65, 'lowest pitch': 8.99, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '道', 'pinyin': 'dao5', 'highest pitch': 8.74, 'lowest pitch': 6.8, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '鲜', 'pinyin': 'xian1', 'highest pitch': 10.4, 'lowest pitch': 7.23, 'duration': 0.24, 'prosody hierarchy': 'null'}, {'character': '美', 'pinyin': 'mei3', 'highest pitch': 10.28, 'lowest pitch': 2.3, 'duration': 0.27, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.11}, {'character': '但', 'pinyin': 'dan4', 'highest pitch': 8.28, 'lowest pitch': 6.59, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '含', 'pinyin': 'han2', 'highest pitch': 8.54, 'lowest pitch': 6.59, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '有', 'pinyin': 'iou3', 'highest pitch': 9.25, 'lowest pitch': 5.35, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '剧', 'pinyin': 'jv4', 'highest pitch': 10.5, 'lowest pitch': 6.21, 'duration': 0.23, 'prosody hierarchy': 'null'}, {'character': '毒', 'pinyin': 'du2', 'highest pitch': 7.69, 'lowest pitch': 5.49, 'duration': 0.31, 'prosody hierarchy': '#4'}]