n.绝境（impasse的复数形式）...

impasses的音标：...

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...