Some analyses of mortality in the Stone Age - those 2.5 million years of living in small groups that ended just 200,000 years ago - estimate that one in seven people died in combat.
一些关于石器时代死亡率的分析表明- 250万年的小群居生活在20万年前结束-约七分之一的人在战斗中死亡。
About one-third of the 172 reported selfie deaths had a single death while 24 incidents involved the deaths of groups. Two of the incidents killed seven people each.
在报告的172起死亡中有三分之一是单一死亡，还有24起事故涉及群体死亡。其中两起事故各自导致7人死亡。
Seven months of hard work by people of all ethnic groups finally paid off.
各族人民7个月来的辛勤投入终于有了回报。
In eighteen ninety-seven,the word came to mean the huge groups of people running or stampeding to Alaska and the Klondike.
VOA: special.2009.02.04
He says,in the last six or seven years, the number of jihadi groups has expanded so greatly that it is taking a while to find out who these people are and how many fighters have joined their ranks.
VOA: standard.2009.03.30
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