arc shelter

• 拱形掩体

arc shelter的用法和样例：

例句

1. The speech given by Pauen in the BBC TV news disproved what the American officials have claimed that this air-raid shelter was a camouflaged military bunker.
   鲍恩在英国广播公司电视新闻发表的这番讲话，反驳了美国官方所声称的这个防空洞是一个被伪装的军事掩体。