When mint or fruit Mentos are dropped into a fresh bottle of Diet Coke, a jet of Coke whooshes out of the bottle's mouth and can reach a height of 10 metres.

当在一罐还没开过封的健怡可乐中投入薄荷味或水果味曼妥斯，一股可乐就会一涌而出达到10米的高度。

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"Tsunami waves in the deep ocean travel about the same speed as a jet plane and would take about 15 hours to reach Hawaii and about 20 hours to reach the other side of the Pacific, " he said.

海啸波在深海传播速度近似于喷气式飞机，大约15小时后到达海地，20小时后到达太平洋彼岸。

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In 1961, American manufacturer Convair released a commercial jet that could reach Mach 0.91, meaning 91 percent as fast as sound.

在1961年，美国制造商Convair生产出了可以达到0.91马赫的商用喷气式飞机，速度相当于声音传播速度91%。

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"It's a bonding experience, one that very few people in the world have ever had, " said trainer Dean O'Malley, adding that first-time users typically managed to reach heights of 10 to 15 feet with the jet pack.

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