几年前，波士顿马拉松使用了一系列的激励广告来推广它的赛事。
A couple of years ago, the Boston Marathon promoted its event with a series of inspiring billboards.
近来，波士顿儿童医院的临床医生通过推出一系列疾病防御措施，采用了一种更加系统的方式来管理该市内罹患哮喘病的儿童。
Recently, clinicians at children's Hospital Boston adopted a more systematic approach for managing inner-city children who suffer severe asthma attacks, by introducing a bundle of preventive measures.
波士顿学院韦斯顿实验室主任约翰·埃贝尔注意到，从地震学角度说，现在似乎重现了上世纪中期的一系列地震。
John Ebel, director of Boston College's Weston Observatory, noted that seismically, the current period seemed to resemble the cluster of large earthquakes in the middle of the last century.
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