?毫不关心
... natural killer cell 天然杀伤细胞 care naught for 毫不关心 impulse voltage 脉冲电压 ...
All our steps to rein in the deficit will be for naught if we do not reduce the rate of health care cost growth over time.
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英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。