夫妇俩回忆当时的情况说，罪犯用枪指着基思·梅尔顿，他本能地向大厅里退，后来绊了一下跌倒了。
According to the couple, when the assailant pointed a gun at him, Keith Melton instinctively started walking backward down the hall until he tripped and fell.
“最大的问题在于海浪发电机的价格现对比较昂贵，”位于英格兰布莱思的新能源和可再生能源中心的基思·梅尔顿这样说道。
"The biggest problem with wave-power generators is that they are relatively expensive," says Keith Melton of the new and Renewable Energy Centre in Blyth, England.
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