复数： drills
第三人称单数： drills
过去式： drilled
过去分词： drilled
现在分词： drilling

Beijing reacted angrily to the latest us-led drill .

中国对美国主导的最新演习作出愤怒反应。

A missile-firing drill in an undisclosed location in north korea .

朝鲜某个秘密地点举行的导弹发射演习。

But military officials said late monday the drill has been canceled .

但是军方官员星期一夜间表示，这次演习已经被取消。

They could be extras from blade runner forced into a fire drill .

他们可能是《银翼杀手》跑龙套的，在电影里参加一场消防演习。

The board recommends a twice-yearly drill to review where emergency exits are and how to open them .

委员会建议每年两次演习，包括检查紧急出口、以及如何打开紧急出口。