1、
Cobra attack helicopter flies in the distance as U.S. forces push further into the Iraqi capital.
眼镜蛇攻击机在推进着美军进一步进入伊拉克首都.
期刊摘选
2、
Lightweight and quiet, these boats work well in beach landings and helicopter launches.
这些船轻便而安静, 适用于抢滩登陆以及直升飞机垂降.
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3、
