大家都搜：
长时间
1、cretaceous period───白垩纪
2、prolonged───adj.延长的；拖延的；持续很久的
3、period───n.周期，期间；时期；一段时间；经期；课时；句点，句号；adj.某一时代的
4、averaging period───[统计]平均周期
5、prolonged exposure───[核]迁延照射
6、cerium period───铈周期
7、pay period───发工资期；[劳经]工资结算期
8、prolonged effort───长期努力
9、trial period───受审期，试用期
1、The panel's first suggestion was that the product be tested over a prolonged period of time, around eight weeks.───专家小组的第一个建议是，产品要被检测八周左右，这是一个延长了的测试时间。
2、None of these legal provisions determine at what point adulthood has been reached but they do point to the prolonged period of adolescence.───这些法律条文没有规定什么时候已经到了成年期，但是他们确实指出了延长的青春期。
3、No one doubts that a prolonged period of deflation would pose grave dangers.───没人会怀疑长时间的通货紧缩将造成严重的危险。
4、A bear market is a prolonged period in which investment prices fall. It is usually accompanied by widespread pessimism.───熊市是指延续时间较长的大跌市，期间投资价格会下跌。通常会伴随着普遍看淡的市场行情。
5、Ripe melons harvested after a prolonged period of heavy rain should be less sweet than other ripe melons.───长期大雨后收获的熟瓜，其甜度应低于其他熟瓜。
6、Better not to leave mobile phones in car compartment especially when the vehicle is exposed to direct sunlight for a prolonged period.───最好不要将手机放在车厢里，尤其是当这辆车在阳光下直接暴晒较长时间时。
7、But what if superior GDP growth showed up in stockmarket returns not immediately but over a prolonged period?───那么如果假设强劲的GDP增长并不是立即在股票市场的投资回报中体现出来，而是有一定的延时效应有如何呢？
8、Talent is nothing but a prolonged period of attention and shortened period of mental assimilation.───才干无它只是延长专心期和缩短心智的同化期。
9、To be fair, at least the currency trades can be planned over a prolonged period of time and sterilized to minimize the inflationary impact.───固然，至少有办法使外汇交易的时间拉得很长，而且可以尽量将通胀后果降到最小。
1、A student undergoes a prolonged period of performing stamina exercises aimed at raising the heart rate and improving overall fitness.
2、A prolonged period of family life permits the growing offspring to add individual learning experiences to their inborn behaviour programming.
3、One interesing aspect was the prolonged period of post - operative hypotension effect.
4、It may reflect some prolonged period of stress at any level of being; physical, mental or emotional.
5、Don't leave your tent pitched all day for a prolonged period - this will degrade the flysheet.
6、For Chelsea, then, a prolonged period of silence from their coach would be most welcome.
7、Corticosteroids, if used for a prolonged period, can cause a type of dependency.
8、Bear Market: A prolonged period of falling prices.
9、Antibiotics must generally be used for a prolonged period or in repeated courses.