我们占领这座城市以后以后所做的第一件事就是降下城里敌人的旗帜，升起我们自己的旗帜。 The first thing that we did when we conquered the town was to haul down the enemy's flag and raise our own.
由于他的体温已经降下来了，我想你的孩子一定能恢复健康。 Now that his temperature has dropped, I'm sure your baby will pick up.
格子吊闸由铁条、木条或其板条组成的闸门，悬于一城堡的入口处，可降下而堵住入口通道 A grating of iron or wooden bars or slats, suspended in the gateway of a fortified place and lowered to block passage.
吊索，升降索用来升起或降下船帆，船旗、帆桁的绳索 A rope used to raise or lower a sail, flag, or yard.