I watch his face while he accounts for the past decade and a half of my life, a period during which he was probably spending his summers in Europe.
我望着他的脸，他讲述过去十来年，那十年是我人生的一半时间，在这段期间他可能在欧洲度过了每个夏天。
As with radioactivity, stories have a half-life-in other words a period by which half of newly promoted stories are relegated to a nether page.
与放射性一样，故事有一个半衰期-换言之，就是新推荐的故事从首页到被下放的周期。
Researchers coaxed the dormant frozen microbes, back to life by carefully warming the ice samples containing them over a period of 11-and-a-half months.
研究人员用十一个半月的时间小心翼翼地为含有这种细菌的冰样加热，慢慢地唤醒休眠冻结住的微生物，使其恢复了生命。
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