慢速英语:Robot Security Could Help Cut Crime

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1. predict vt.预言，预测
例句：I predict it will outmode overnight.
我预测它会一下就过时的。

2. change vt.改变，变更; 交换
例句：People like to change things around to suit themselves.
人们喜欢改变周围的事物，使之适合自己。

3. scale vt.测量; 攀登
例句：The map was drawn to scale.
这地图是按比例绘制的。

4. appear vi.发表; 出现，显现
例句：I have to appear in court on a charge of drunken driving.
我被控告醉酒驾驶而要出庭受审。

5. surveillance n.盯梢，监督
例句：The police kept the criminal under strict surveillance.
警察严密监视那个罪犯。