She heard the priest's familiar, flat footfall on the staircase.她听到楼梯上传来牧师那熟悉的单调脚步声。They walked down the staircase together.他们一起下了楼梯。He followed her up a rickety staircase to a squalid bedsit...他跟着她上了一段摇摇晃晃的楼梯，来到了一间...
Ozone is formed in the stratosphere and mesosphere by photochemical processes.由于光化过程,在平流层与中层内产生了臭氧.The mesosphere comprises the rest of the mantle below the asthenosphere.中间圈包括岩流圈以下地幔的其余部分....
It dedicated that cypermethrin had fine control effect to the Cyrtotrachelus buqueti.显示了氯氰菊酯对长足大竹象具有较好的防治效果.The optimal temperature and pH for CDT 3 degrading cypermethrin is 30 ℃, pH 8.0, indifferently.在温度30℃, pH8.0时,CD...
The core of the Confucius ideas is charitableness and the start of it is courtesy.孔子的思想是以“礼”为出发点,“仁”为核心的思想体系....a man of unfailing courtesy and kindness...始终彬彬有礼、心地善良的人The waitress brings over some congratulatory glasses...