马棚里传来一匹正在喂食的马的鼻声和蹄声.From the stable came the snuffle and stamp of a feeding horse.双手“叭”的一声挥动鞭子, 一行人就在头顶昏暗摇曳的路灯下蹄声得得地上路.The postilion cracked his whip, and they clattered away under the Feeble over swinging lamps.马越来越近了,蹄...
空气中悬浮的粒子,由于相互凝聚也会在大小和形状方面发生变化.Airborne particles can also be changed in size and shape by coagulation with each other.进入悬浮的泥沙数量取决于河床上的流体的作用力.The quantity of material that goes into suspension depends on the fluid forces ...