The extra practice gives children a competitive edge.

这种特别的练习赋予孩子竞争优势。

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We teach social skills in the same way: give extra support and extra practice, clarifying and coaching until that skill becomes second-nature.

我们教社交技能也是同样的方法：给予额外的支持与训练，解释、指导，直到这个技能成为他们的第二本能。

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We promised to catch 50 extra practice catches every day, no matter how tired we were. We pledged never to say bad luck to each other as luck was just an excuse.

我们承诺无论多辛苦都要进行50次额外的接球训练，我们还发誓永远不把运气作为逃避的借口。

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So, don't forget to study this weekend and get those extra practice problems from the course website.

那么，这周末不要忘了复习,那些额外的习题可以在课程的网站上找到。

麻省理工公开课 - 化学原理课程节选

These won't be graded, you don't have to turn them in, it's just to give you some extra practice if you want while you're studying for the exam.

这些题目不会记分，你们也不需要交上来，只是如果你需要的话，这可以让你,在准备考试的过程中得到更多的训练。

麻省理工公开课 - 化学原理课程节选

The duck was excellent in swimming but relatively poor in running, so he devoted himself to improving his running through extra practice.

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Going into the season, the biggest mystery was their signing up for the limited-testing option, and with it the extra practice session at race weekends.

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Aside from the late-night troublemaking that plagues many sports teams, life in the modern NFL involves dozens of hours per week in extra practice or film sessions.

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