Scientists reported yesterday the discovery of a gene that increases the chances of becoming hooked on the drug.

昨天有科学家称发现了一种增加毒瘾几率的基因。

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STEVEN: I'm shocked at how quickly the time has gone by, It feels like just yesterday that Peter was born, he's six months old already and he's becoming a real person.

史蒂文：时间快得简直难以置信，彼得就好像是昨天才出生似的，可他已经六个月了，长大了，现在雷。

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Michael Phelps swam into Olympic history yesterday, becoming the athlete to win the most gold medals ever.

迈克尔•菲尔普斯昨天“游”进了奥运史册，成了奥运史上获得金牌最多的运动员。

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WHO's own figures suggest that infectious disease is becoming yesterday's problem.

ECONOMIST: Repositioning the WHO

So the great savers in yesterday's world are becoming the biggest consumers of this one.

FORBES: Magazine Article

Yesterday, in a further example of lending criteria becoming tougher, the Abbey increased the cost of its remaining 95% mortgage, available for five years at 7.04%.

BBC: Fixed-rate mortgages rise again