A national drill was held in 2007 after a tsunami had killed over 20 people in the Solomon Islands.
上一次海啸在所罗门群岛造成二十多人丧生后，2007年曾举办全国性防灾演习。
A drill will be held to familiarize passengers with emergency procedures.
搞演习的目的是让旅客熟悉应急程序。
Do you know the biggest anti-terrorist drill ever held in the United States?
例句你知道美国规模最大的一次反恐演习吗？
A brigade of China's armed police arrived in Moscow on Saturday for an anti-terrorism drill jointly held by China and Russia.
一队中国武警周六到达莫斯科，将在那进行中俄联合反恐练习。
A brigade of China's armed police arrived in Moscow on Saturday for an anti-terrorism drill jointly held by China and Russia.
一队中国武警周六到达莫斯科，将在那进行中俄联合反恐练习。
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