build defense works 构筑防御工事
Impenetrable Defense Works 汤池之固
headland defense works 海岸保护工程
air defense works 防空工程
sea defense works 海岸防护工程
flood defense works 防洪设施
On arriving at the front they began to study the defense works.
刚一到达前线,他们就开始研究防御工事。
The bad weather delayed the defense works. It is dependent on the weather.
恶劣的天气耽搁了防御工程。工程取决于天气。
All that is in General McChrystal's plan. Last week,Defense Secretary Robert Gates appealed for patience as the administration works through the issue.
VOA: standard.2009.09.22
So the United States does not even know if the system works,". The missile defense system was discussed during the recent Obama-Medvedev summit in Moscow.
VOA: standard.2009.07.15
He also headed the Defense Intelligence Agency, which often works closely with the CIA.
VOA: standard.2010.06.05
应用推荐