Or you get a cold, the cold virus takes hold, the viruses start replicating inside of you and it takes some time for immune system to gear up to eliminate it, so we're used to thinking about responses that take some time.

或者你得了感冒,感冒病毒扎根在你的身体中,病毒开始在你体内复制,免疫系统需要一定时间做好准备去消灭它,所以我们曾认为免疫反应需要一定时间

耶鲁公开课 - 生物医学工程探索课程节选

As a result, it will take the IRS some time to gear up and program its computers.

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It's time to gear up with the right tech and turn your smartphone, e-reader or tablet computer into the universal library it was destined to be.

BBC: Free e-books provide unlimited holiday reading

For the first time, every gear in a pocket watch was set on a jeweled bearing.

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