Many scientists had believed that the lead would stay in soil and snow for a longer period.

许多科学家认为铅会在土壤和雪中停留更长的时间。

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Prior to the two-phase commit process, all work performed during the transaction is said to be in-flight, and failure during this period will lead to a rollback of work.

在两阶段提交进程之前，事务过程中执行的所有工作都被认为是“在处理中”，并且在此期间如果失败将会导致工作回滚。

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Now medicine is on the threshold of a second Renaissance, and the discoveries of this period may lead to a revolution in the treatment of everything from heart disease to cancer.

现在医学又来到第二个复兴的门槛，这一阶段的种种发现可能带动从心脏病到癌症各种疾病治疗方法的革新。

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The Sabres have squandered two-goal leads six times this season, and they were coming off a game in which they blew a third-period lead in a 5-4 shootout loss at Florida on Thursday.

WSJ: Green rallies Caps to 4-3 SO win over Sabres

Brad Marchand, whose overtime goal won the opener, and Milan Lucic stretched the Bruins' lead in the final period.

WSJ: Boychuk breaks Game 2 tie, Bruins top Rangers 5-2

Vanek staked the Sabres to a 1-0 lead in the second period, converting a nice pass from Tyler Ennis on a power play.

WSJ: Devils rally for 3-2 win, end 6-game slide