弹内制导系统
模型弹内测数据
(Sound) He says North Korea is doing this for its own internal purposes of maintaining its ballistic missile capability.
VOA : standard.2009.10.13
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。