An unexpectedly large fraction of players acted altruistically to protect their weaker friends.

远远超出人们的预料，有很大一部分玩家在游戏中无私地保护那些弱者朋友。

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"You have to put a very large fraction of the blame on Congress for not acting," Levin told the Huffington Post before the panel discussion.

“你把非常大的一部分责任归咎于国会不采取行动了”，Levin在座谈会前对Huffington Post说。

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"For large animals like beef, a very large fraction of the nitrogen that enters the cow's mouth is excreted out the back end."

VOA: special.2011.04.05

Give enough of the vaccine so you have a dose for everybody in the world, or a large fraction of the people.

疫苗的数量,足以让世界上每个人都接种一支,或者让绝大多数人都能接种一支

耶鲁公开课 - 生物医学工程探索课程节选

OK, so tiny fraction, tiny fraction of alphas, tiny fraction of incident alphas, tiny fraction of incident alphas deflected through large angles.

这一小部分，极少的阿尔法粒子，极小部分的入射阿尔法粒子，小部分的入射阿尔法粒子,以大角度偏转。

麻省理工公开课 - 固态化学导论课程节选

One is that a large fraction of the income consists of dividends and capital gains.

FORBES: The Ins And Outs Of The Buffett Rule

Many end up with a large fraction of their net worth invested in their own companies' shares.

ECONOMIST: Economics focus

An unknown but unquestionably large fraction of the bottles are bought by a circle of addicted repeat customers.

FORBES: Up From the Gutter