I shall always be grateful to my former teacher for introducing me to the study of language.

我将永远感激以前的老师引领我进入语言研究领域。

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The former smokers in the study were all heavy users who smoked at least a pack of cigarettes a day for 30 years or more, and all of them also showed signs of chronic bronchitis or emphysema.

该研究中戒烟者都曾是严重吸烟者，他们曾每天至少吸一包，时间长达30年或更久，而且他们也都出现慢性支气管炎或肺气肿的迹象。

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Dr Margaret Barker, a former President of the Society for Old Testament Study, said: 'the book of Revelation tells of a sealed book that was opened only by the Messiah.

旧约研究会前任总裁玛格丽特·巴克博士说：“《启示录》中说有一个被封的书典只被弥赛亚打开过。”

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For the purposes of our study, for a former detainee to be considered "confirmed" that he had joined a militant group, there had to be a preponderance of information claiming he was directly involved in terrorist or insurgent activities.

CNN: Terror threat from Gitmo prisoners is exaggerated

But a big attraction is the 57-year-old Yau himself: He's the leading Chinese mathematician and ranks among the top ten in the world, says Phillip Griffiths, a math professor and a former president of the Institute for Advanced Study in Princeton.

FORBES: Plugging A Math Gap

Maybe the impact of concussion-related lawsuits and the reports of former players shooting themselves in the heart in order to preserve their brains for future study will be felt someday soon.

FORBES: Why Is Football So Popular?