操练完毕。
They drill holes in the ice and drive light trucks over them.
他们在冰上打洞并驾驶轻卡车通过。
When the drill was over, the company dismissed.
操练结束后，连队解散。
The necessary drill for university students, lasted half of a month, was over fast;
那必需品钻孔机为大学学生，持续一半的一个月，结束斋戒；
The necessary drill for university students, lasted half of a month, was over fast;
那必需品钻孔机为大学学生，持续一半的一个月，结束斋戒；
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