UK terror drill, 英國反恐演練

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UK terror drill
Members of the emergency services take part in Exercise Strong Tower outside the disused Aldywch tube station on Surrey Street on Tuesday in London, England
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drill - Yahoo奇摩搜尋結果 - Yahoo奇摩字典

鑽（孔）；在……上鑽孔. The farmers drilled wells for water. 農民打井取水。 2. 鑽除，鑽出. 3. 操練，訓練