We lacked concentration and it cost us the goal and the game.我们注意力不够集中，结果丢了球，输了比赛。In geochemical analysis we encounter ranges of analyte concentration that can span several orders of magnitude.在地球化学分析中,我们常常会遇到拟分析元素含量范围可以...
In the history of coalition warfare such impasses have been common, and sometimes disastrous.在联合作战的历史中,这种相持不下的局面是很普通的, 往往也是灾难性的.I see conundrums, dilemmas , quandaries , impasses, gnarly thickets of fateful possibility w...