High stone walls topped with snaky concertina wire, set off at intervals by looming guard towers.顶部装着蛇腹式铁丝网的高高的石墙, 被渐渐隐现的哨塔隔开.Deep ditch, single drawbridge, massive stone walls, eight at towers, cannon, muskets, fire and...
A diagram of the new road layout was superimposed on a map of the city.新公路的规划示意图被叠映在该城市的地图上。Galton devised a method of creating composite pictures in which the features of different faces were superimposed over one anoth...
The gasoline detection system consists of a capillary restriction.汽油检测系统由毛细管节流器组成.Imbibition is thus displacement due only to capillary forces.于是,吸吮是仅仅依靠毛细力的一种驱替.This consists of a capillary connected to a mercury reserv...