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14-02-13 mouth: to say lisa ampleman to say a word, we put it in our mouths. it may roll between the teeth or hum on the palate(味觉,上颚) . love, after all, starts on tongue against teeth and ends on lips. to communicate once meant to take communion. i t...
14-01-14 african tigerfish have been filmed catching swallows in flight by scientists. 科学家拍摄到飞行中的燕子被非洲虎鱼咬下水。 the fish have impressively sharp teeth some species of fish are known to feed on stationary(静止的) birds but experts say this...
12-09-06 straightening children's crooked(弯曲的) teeth with braces may improve their smile but it is no guarantee of happiness and improved self esteem. a 20-year study by scientists in britain that looked at the impact of braces on more than 300 children...
11-11-19 perfect teeth - white, straight and evenly aligned - may be the ideal in america, but that aesthetic is not for everyone. japanese women are going gaga for a crowded, crooked-toothed smile with accentuated canine teeth, known as the 'yaeba' look. 洁...
11-11-17 policeman: why didn't you shout for help when you were robbed of your watch? man: if i had opened my mouth, they'd have found my four gold teeth. that would be much worse. 警察:有人抢你的手表时,你为什么不呼救呢? 男子:要是我张口的话,他们就会发现...
10-06-23 the robust(强健的) jaws and formidable(强大的,可怕的) teeth of some of our ancestors and ape(类人猿) cousins may suggest that humans are wimps when it comes to producing a powerful bite: but a new study has found the opposite is true, with ma...
10-06-02 eating food in the middle of the night can seriously damage your teeth, experts warn. 专家警告,在午夜吃东西可严重损伤牙齿。 midnight snacks may stick to the teeth for longer, experts suspect researchers have found midnight snacking ups the risk of...
10-05-28 people who fail to brush their teeth twice a day are putting themselves at risk of heart disease, say researchers. 研究人员称,未能达到一天刷牙两次的人将有患心脏病的风险。 dentists recommend brushing twice a day a scottish study of more than 11,000...
10-05-19 azendohsaurus(爱珍多龙) just shed its dinosaur affiliation(归属,联盟) . a careful new analysis of a. madagaskarensisthis time based on the entire skull rather than on just teeth and jaws aligns(排列) this 230-million-year-old animal with a di...
09-12-23 a simple amino acid氨基酸 that is repeated in the center of proteins found in tooth enamel珐琅,搪瓷 makes teeth stronger and more resilient有弹力的 , according to new research at the university of illinois at chicago. researchers compared proline脯...