Tracing a circle on your wrist tells the device to project a digital clock on your arm - the world's lightest wristwatch, a fan joked.

它在你的腕关节处绘制一个圆圈，并且要求装置在你的胳膊上投射出一个数字钟——开玩笑的说，这是全世界最轻的手表了！

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Find something that makes a very quiet, steady sound. A small fan on a low setting or a real, non-electric, ticking watch or clock are ideal.

找一些安静、稳定的东西，一台低音的小风扇，一只电子手表或钟是一个很好的选择。

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Matt Blank from the Michael Jackson World Network fan club told the BBC that some UK fans had not found out about their tickets until four o 'clock on Monday morning.

迈克尔·杰克逊世界网粉丝俱乐部的马特·布兰特告诉BBC说一些英国的粉丝直到周一早晨四点仍没收到门票。

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"Brian Cobby, the third voice of the Speaking Clock, used to receive fan mail from people who used the service late at night just to hear his calm voice, " says McEvoy.

BBC: Speaking Clock: Why are people still dialling for the time?