retrieval例句
The ship was buried, beyond
retrieval, at the bottom of the sea.
船已葬身海底，无法打捞。
Its real purpose is the launching and
retrieval of small aeroplanes in flight.
它真正的用途是发射和收回飞行中的小型飞机。
A special
retrieval team arrived from Washington and located the crashed craft.
华盛顿的一支修复队驻扎在闪电地点.