n.空旷;开阔;公开;率真;
例句:
The church doors would open and the crowd would surge out.
教堂的门会打开,人群会蜂拥而出。
Officers will also continue their search of nearby open ground.
警察还将继续在附近的开阔地带搜寻。
The truth of the facts produced may be open to doubt...
所摆出事实的真实性仍然值得怀疑。