Three times a week over a period of several weeks, try to run longer distances and walk less.
先试跑几个星期，每周跑三次，每次试跑远一点，走少一点。
In this system, people could buy a product and pay for it over a period of several weeks or months.
在这种体系之下，人们可以购买产品并且分几周或几个月偿还。
The format we will use involves discussing the ways that a particular function can be accomplished for a period of several weeks.
本课程之形式包括数个星期的课堂讨论，讨论内容为可完成某种功能的方法。
However, the downside of this is that during a warm up period of several weeks you get used to a product, and as such partly loose your ability to evaluate it objectively.
但是，它的不好之处在于，在你煲机的几周里，你已经习惯该器材了，并且从客观角度讲，你也就部分失去评价该器材的能力。
These novel particles loaded with AP release the AP over a prolonged period of time of several days, or even several weeks.
这些装载有ap的新型颗粒在几天，甚至是几个星期的时间内持续释放活性成分。
These novel particles loaded with AP release the AP over a prolonged period of time of several days, or even several weeks.
这些装载有ap的新型颗粒在几天，甚至是几个星期的时间内持续释放活性成分。
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