When it's time to pull, focus on the hands, and try not to let any other part of your body move.

开始划水时，注意力放在手上，努力让身体的其它部位不动。

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Either way, it takes less than two seconds for the lens protector to flip open, the barrel to pop out and for the camera to be able to focus and pull off a shot.

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Meanwhile the major US networks are floating a trial balloon that would see them pull out of over the air broadcasting and focus on cable deals.

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If Japan has to pull back on its buying of Treasurys to focus on its own mounting debt, that would put some pressure on interest rates.

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