英语听力：自然百科 国家地理：钻石：黑暗的一面—2
时间：2014-10-22 07:34:40
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（单词翻译）
Surrounded by infra-red cameras, motion detectors1 and light sensors2, the volt3 and its lock with a million of possible combinations are broken open, without triggering any of its state-of-the-art alarm systems. More than a hunderd safty boxes were broken open, leaving the less valuable loots scattered4 over the floor. The thieves got away with more than one hundred million dollars worth of diamonds, the biggest known gem5 heist in the world.-The next question was who was responsible for this.
The building was under 24-hour video surveillance, but when police went to check the security tapes, they, too, have been stolen.
-Some doubt came into our mind, like how are we going to solve this thing.
But the detectives have one clue. The volt door had not been blown, meaning the thieves must have known the combination. Was it an inside job?
The diamonds got have to move quickly. Once sold, the stolen diamonds will vanish into a
lucrative6, multi-billion trade,
expending7 the globe.
Diamonds are valued by four Cs, clarity, colour, carat and cut. But rough diamonds, as they come from ground, are nothing like the cut and polished
gems8. To see a flawless jewel with a deceptively drive s* of rough diamonds is a rare skill.
And something comes naturally to l*'s
smuggler9 Samule S*.
-Beautiful stone, beautiful. I can never forget the stone.
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