The reason is that aspirin thins the blood and reduces the likelihood of clots forming (clots play a key role in many heart attacks and strokes).

原因是阿司匹林能稀释血液，降低血液结块的可能(血液结块常引起心脏病和中风)。

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The object of the game is to take as many strokes as necessary until the course owner is satisfied that play is complete.

打球时的目标是尽可能多的击打直到球道主人满意，此时方可结束比赛。

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The key to vaccine is a protein called E-selectin which accumulates specifically on the walls of blood vessels, where it is thought to play a part in the inflammation that commonly precedes strokes.

对疫苗起关键作用的是一种累积在血管壁上的名叫e - selectin的蛋白质，人们认为它在形成通常引发中风的炎症中发挥了作用。

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Arriving within five minutes results in the loss of the first hole in match play or two strokes at the first hole in stroke play.

BBC: Playing golf around the world

This balance and poise is best epitomised by the way Ricky is able to play the two toughest strokes in the game.

BBC: Justin Langer column

The placid pitch also caused occasional problems for Pietersen, who would have liked more pace to play his shots, but there were still some strokes to savour, none more so than the emphatic extra cover drive that brought up his century.

BBC: Pietersen century rescues England