另外，虽然爬过高原你可以站起来，踏板一小段时间，因为这将确保适当的血液循环到身体的其他部位。
Also, while climbing over a plateau you can stand up and pedal for short periods of time because this ensures proper blood circulation through the body.
冷水和手腕的活动可能使束紧的程度加深，但是血液循环的恢复畅通需要一定的时间。
Cold water and wrist activity may add to a constrictive effect , but it takes a while for fluid to accumulate.
HIV进入人体血液循环后，要用几年的时间慢慢吞噬掉保卫人体的白血球。
After entering the bloodstream it takes a few years for the HIV to eat up the army of white blood cells which protect the body.
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