1.寿命
1.平均生命期
2.使用年限
3.使用期限
4.生活期
1.平均生命期
2.使用年限
3.使用期限
4.生活期
1.the length of time that a member of a particular species can be expected to remain alive
2.the length of time that something can be expected to last or function
1.If you're like me, you've had to acquire at least two or three Java manuals and tutorials, because they have such a short life span.
如果你像我一样，你一定曾经购买过至少两三本Java的手册或指南，因为他们的生命期是如此之短。
2.I suspect that this willingness to risk is in part due to the short expected life span of the humans.
我怀疑这种积极冒险的精神，部分来自人类预期生命跨度之短。
3.Dr. J. David Curb, one of the researchers, said the new grant is the first to look specifically at genes that affect life span.
参与研究的大卫库伯博士表示，此笔新补助金是首度用来特别探讨基因影响生命年限。
4.Since classical fascism had such a brief life span, it is hard to know whether or not a stable, durable fascist state is possible.
因为我们知道正统的法西斯主义只是昙花一现，所以这很难确定稳定、长久的法西斯政府是不是可能的。
5.The long life-span of BF was an important target pursued by the iron and steel enterprises all over the world.
高炉长寿是国内外钢铁企业追求的重要目标。
6.There was no difference in life span between the two runner groups, even though one expended more energy.
两个奔跑组的生命跨度并没有多少差别，尽管一组消耗更多能量。
7.The canned food is to belongs to " the business have no germ" , the shelf life span is usually for two years or longer times.
罐头食品就是属于“商业无菌”，货架寿命通常为两年或更长的时间。
8.In contrast, boosting SOD1 levels in unrelated muscle cells seems to have had no effect on the flies' life span, he adds.
他补充说，反过来看，让不相关的肌肉细胞增加SOD1的量，似乎不会影响果蝇的寿命。
9.Ought we to force ourselves, out of basic respect for the length of the human life-span, on a madcap international spree?
我们是否应该出于对苦短人生的尊重、强迫自己去追赶轻率的国际狂潮？
10.Vijg noted that since the drug did not extend the maximum life span of fat mice, it would be surprising if it did so with lean mice.
但是维杰格博士指出，由于该药物不能够延长肥胖小鼠的最长寿命，如果它能够延长瘦弱小鼠的寿命，那也将是不可思议的。