British researchers studied 88 volunteers aged between 18 and 47 who were self-confessed coffee lovers, downing at least two cups every day.
英国研究人员招来88名志愿者，年龄分别从18岁至47岁不等，均自许为咖啡爱好者，他们每天至少灌下两杯咖啡。
Visiting Downing Street earlier in the day, Mr. Obama was at once emollient, self-critical and articulate, in a way that put an initially bashful Gordon Brown at his ease.
奥巴马前段参观唐宁街时镇定，自我批评和清楚的表达使布朗在一定程度上感到轻松。
Visiting Downing Street earlier in the day, Mr Obama was at once emollient, self - critical and articulate, in a way that put an initially bashful Gordon Brown at his ease.
白天奥巴马还参观了唐宁街，那里他的圆滑，自我批评与清晰的表达，使害羞的高登布朗首相也变得放松下来。
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