Demolition derbies are large - scale automobile rodeos that take place in big arenas.撞车比赛指的是在很大的竞技场上举行的大型汽车驾驶技术表演.Are there areas of privacy in the most public of arenas?在绝大部分公开的场合中存在需要保护隐私的领域 吗 ?Lessons are being learne...
...an occasional wisp of white cloud.偶尔出现的一缕白云The powdery dust rose in a cloud around him.一团粉尘在他周围扬起。A cloud of volcanic ash is spreading across wide areas of the Philippines...火山灰云层正在菲律宾大范围扩散。The white cloud of smoke fl...