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。

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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。

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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？

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Louis, I also joined Secretary Arne Duncan and Missouri Governor Jay Nixon at Carnahan High School of the Future to participate in the Great Central U.S. ShakeOut--the largest-ever, multi-state earthquake drill to be held in the United States, and the first major drill to take place along the New Madrid Seismic Zone, which was the site of one of the worst earthquakes in U.S. history nearly 200 years ago.

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It is using its mast-mounted colour cameras and laser spectrometer, together with its arm-held "hand lens" camera and X-ray spectrometer, to try to find the best drill candidate.

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