那我们现在需要给它注射预防针吗？
幼犬一年要注射三次预防针，成犬每年只需要注射一次！[{'character': '幼', 'pinyin': 'iou4', 'highest pitch': 11.49, 'lowest pitch': 9.58, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '犬', 'pinyin': 'qvan3', 'highest pitch': 11.08, 'lowest pitch': 4.93, 'duration': 0.34, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.06}, {'character': '一', 'pinyin': 'i4', 'highest pitch': 8.08, 'lowest pitch': 7.41, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '年', 'pinyin': 'nian2', 'highest pitch': 7.41, 'lowest pitch': 6.34, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '要', 'pinyin': 'iao4', 'highest pitch': 8.2, 'lowest pitch': 6.7, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '注', 'pinyin': 'zhu4', 'highest pitch': 9.13, 'lowest pitch': 6.7, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '射', 'pinyin': 'she4', 'highest pitch': 8.54, 'lowest pitch': 6.81, 'duration': 0.19, 'prosody hierarchy': '#1'}, {'character': '三', 'pinyin': 'san1', 'highest pitch': 10.42, 'lowest pitch': 6.94, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '次', 'pinyin': 'cii4', 'highest pitch': 10.82, 'lowest pitch': 8.36, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '预', 'pinyin': 'v4', 'highest pitch': 8.36, 'lowest pitch': 6.77, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '防', 'pinyin': 'fang2', 'highest pitch': 7.01, 'lowest pitch': 6.0, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '针', 'pinyin': 'zhen1', 'highest pitch': 8.83, 'lowest pitch': 6.95, 'duration': 0.25, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.38}, {'character': '成', 'pinyin': 'cheng2', 'highest pitch': 11.08, 'lowest pitch': 8.14, 'duration': 0.29, 'prosody hierarchy': 'null'}, {'character': '犬', 'pinyin': 'qvan3', 'highest pitch': 11.08, 'lowest pitch': 5.89, 'duration': 0.28, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.12}, {'character': '每', 'pinyin': 'mei3', 'highest pitch': 7.13, 'lowest pitch': 5.42, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '年', 'pinyin': 'nian2', 'highest pitch': 7.41, 'lowest pitch': 5.42, 'duration': 0.2, 'prosody hierarchy': '#1'}, {'character': '只', 'pinyin': 'zhiii3', 'highest pitch': 6.83, 'lowest pitch': 5.87, 'duration': 0.13, 'prosody hierarchy': 'null'}, {'character': '需', 'pinyin': 'xv1', 'highest pitch': 7.7, 'lowest pitch': 5.95, 'duration': 0.14, 'prosody hierarchy': 'null'}, {'character': '要', 'pinyin': 'iao4', 'highest pitch': 8.2, 'lowest pitch': 6.69, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '注', 'pinyin': 'zhu4', 'highest pitch': 9.13, 'lowest pitch': 6.69, 'duration': 0.16, 'prosody hierarchy': 'null'}, {'character': '射', 'pinyin': 'she4', 'highest pitch': 8.54, 'lowest pitch': 7.02, 'duration': 0.16, 'prosody hierarchy': '#1'}, {'character': '一', 'pinyin': 'i2', 'highest pitch': 7.06, 'lowest pitch': 5.37, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '次', 'pinyin': 'cii4', 'highest pitch': 10.82, 'lowest pitch': 6.61, 'duration': 0.3, 'prosody hierarchy': '#4'}]