让我们一起说再见 » Let us work together to say goodbye 五年一次 » Every five years 有时间去爬爬泰山,很好的。 » Time to climb Taishan mountain-climbing, very good.
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Every five years, the government tries to tell Americans what to put in their bellies.
每隔五年,政府就试着告诉美国人应该吃什么。
After that, tests will be done every five years.
在这之后,测试将每5年进行一次。
Even then, they only lay eggs about every five years.
即便性成熟了,它们也是每隔五年才产卵一次。
The competition was first held in two thousand two and has taken place every two years since two thousand five.
VOA: special.2009.10.27
A cohort study means you take the same group of people and follow them every five years for that period of time.
定群研究意味着你只有一组研究对象,然后在研究期间每五年进行一次记录数据
Let's say you want to see how something like cigarette smoking is changing in the population and the rates of cigarette smoking, and you want to look at people every five years from 1970 to 2000.
比如你想知道,人群中吸烟者的人数变化,和吸烟者的比例,在1970年至2000年每五年的情况
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